Prática de Shadowing: The Monroe Doctrine Explained in 5 Minutes - Aprenda a falar inglês com vídeo
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It's 1823.
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The map of the Americas is being redrawn.
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Spain has spent centuries amassing a new world empire stretching from Patagonia to California.
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Now their grip was slipping fast.
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One by one, Spain's colonies are declaring independence.
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And back in Europe, the old empires are not taking it well.
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They're asking themselves, what's to stop us from taking it all back?
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The United States had come into being mere decades ago in the revolution.
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Then we fought Britain again in the War of 1812.
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America was concerned of the involvement of foreign empires in the New World.
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Now, America sensed an opportunity to establish a new order.
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Britain, focused on protecting its trade with the emerging nation, proposed a joint declaration with the United States to deter intervention.
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But Secretary of State John Quincy Adams, suspicious of British motives, convinced President James Monroe to act independently.
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Monroe then declared a decree to Congress, among the boldest diplomatic statements in American history.
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The American continents, by the free and independent condition which they have assumed and maintained,
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are henceforth not to be considered as subjects for future colonization by any European powers.
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The United States, still a young frontier nation, positioned itself as the preeminent power in the new world
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and set the stage for centuries of American foreign policy in our hemisphere.
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This decree transformed America's role in standing in the global order, though initially relying on the deterrence of the British Navy to enforce it.
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For decades, the doctrine served as a defensive shield while America expanded westward.
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It was invoked when the French installed an emperor in Mexico, forcing their eventual withdrawal.
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It shaped debates over attempted annexations like the Dominican Republic.
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But these were defensive applications, keeping European powers out, not asserting American control over the hemisphere's affairs.
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changed in 1895, when Secretary of State Richard Olney invoked the doctrine,
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declaring that the United States was practically sovereign over the Western Hemisphere and demanded Britain submit to American arbitration.
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He had redefined the doctrine.
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It was no longer just a warning.
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It was now a claim to regional primacy.
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Three years later, war with Spain erupted, and when the smoke cleared, it transformed the Hemisphere.
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The United States expelled Spain from Cuba, seized Puerto Rico, and stepped into the world stage as a genuine imperial power with dominance over the Caribbean.
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Just four years later, that dominance was tested again.
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German and British warships sailed into Venezuelan waters and blockaded its ports over unpaid debts.
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Roosevelt intervened and declared if a Latin American nation fell into chaos or instability, the U.S would step in and manage it.
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The doctrine has started as a shield.
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Roosevelt had just turned it into a mandate.
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A critical opportunity for American leadership in the Western Hemisphere came in 1903, when Panama sought independence from Colombia.
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Both Europe and the U.S had long wanted a canal in Central America, allowing ships to cross from the Atlantic to the Pacific.
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After a failed French attempt, the United States saw an opening, and a region was shifting political dynamics.
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The U.S backed Panamanian independence and secured a deal to construct, operate, and defend the Panama Canal.
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The waterway would go on to become the hemisphere's most critical artery for trade, a strategic asset for both world wars,
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and a testament to America's enduring leadership in the region.
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When Soviet missiles were discovered in Cuba in 1962, Kennedy didn't need to invent a new framework.
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He simply invoked the doctrine.
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The weapons had to go.
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13 days of the most dangerous standoff in human history ended with the Soviets backing down and removing the missiles from Cuba.
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Reagan applied the same logic to justify opposition to Soviet-backed Sandinista regime in Nicaragua and other Marxist groups,
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arguing that ideological threats required the same response as military ones.
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Fast forward to the modern era, where the doctrine has found its latest champion in President Trump.
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Through the execution of Operation Absolute Resolve, the United States seized Venezuelan dictator Nicolás Maduro,
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transporting him to American soil to answer for charges of narco-terrorism.
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This calculated maneuver delivered a resident signal across the hemisphere, punctuated by President Trump's own declaration.
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Under our new national security strategy, American dominance in the Western Hemisphere will never be questioned again.
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Over two centuries, Monroe's declaration had shaped U.S foreign policy across administrations and throughout fundamentally different geopolitical eras.
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What began as a warning to European powers evolved into a framework for regional dominance,
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one that remains the cornerstone of American strategy in the hemisphere today.
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Next, we will learn about George Kennan, best known for his policy of containment during the Cold War.
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Vocabulário e dicas de fala para esta lição
Esta aula de conversação de nível B2 usa o vídeo “The Monroe Doctrine Explained in 5 Minutes”. As palavras que mais se repetem: hemisphere, doctrine, America, dominance, invoked. Este vídeo tem 56 frases e 782 palavras para praticar shadowing. A fala dura 5:37. O falante mantém um ritmo estável de cerca de 139 palavras por minuto, confortável para o shadowing. Apenas 71% das palavras estão entre as 3.000 mais comuns do inglês, por isso o vocabulário é exigente.
Vocabulário principal deste vídeo
As 15 palavras mais avançadas do vídeo, com pronúncia e significado:
| Palavra | Pronúncia | Significado |
|---|---|---|
| hemisphere substantivo | /ˈhɛmɪsfɪə/ | hemisfério |
| doctrine substantivo | /ˈdɑk.tɹɪn/ | doutrina |
| dominance substantivo | /ˈdɑmɪnəns/ | domínio, dominância |
| declare verbo | /dɪˈklɛɚ/ | declarar |
| invoke verbo | /ɪnˈvoʊk/ | invocar |
| declaration substantivo | /ˌdɛk.ləˈɹeɪ.ʃən/ | declaração |
| seize verbo | /ˈsiːz/ | agarrar, capturar |
| decree substantivo | /dɪˈkɹiː/ | decreto |
| transform verbo | /tɹænsˈfɔɹm/ | transformar |
| missile substantivo | /ˈmɪs.aɪl/ | míssil |
| annexation substantivo | anexação | |
| colonization substantivo | /kɔlənɪˈzɛjʃən/ | colonização |
| containment substantivo | /kənˈteɪnmənt/ | contenção |
| cornerstone substantivo | /ˈkɔɹ.nɚ.stoʊn/ | primeira pedra, pedra angular |
| deterrence substantivo | /dɪˈtɝɹəns/ | deterrência, dissuasão |
Phrasal verbs que você vai ouvir
| Palavra | Significado |
|---|---|
| back down verbo | recuar, voltar atrás |
Gramática neste vídeo
As estruturas que o falante mais usa, com as palavras exatas do vídeo:
| Estrutura | No vídeo |
|---|---|
| Voz passiva be + particípio passado — o foco está no que acontece, não em quem faz | be considered · was invoked · was tested |
| Present perfect have/has + particípio passado — uma ação passada que ainda importa agora | has spent · have assumed · has started |
Pronúncia para ficar de olho
- Os sons de “th”: henceforth /hɛnsˈfɔɹθ/, withdrawal /wɪðˈdɹɔ(ə)l/
- Os sons de “sh” e “zh”: declaration /ˌdɛk.ləˈɹeɪ.ʃən/, colonization /kɔlənɪˈzɛjʃən/, warship /ˈwɔɹˌʃɪp/, arbitration /ˌɑɹ.bɪˈtɹeɪ.ʃən/, suspicious /səˈspɪʃ.əs/
- Palavras longas — acerte a sílaba tônica: declaration /ˌdɛk.ləˈɹeɪ.ʃən/, colonization /kɔlənɪˈzɛjʃən/, preeminent /priˈɛm ə nənt/, instability /ɪnstəˈbɪlɪti/, arbitration /ˌɑɹ.bɪˈtɹeɪ.ʃən/
Sons difíceis para falantes de português:
- Consoante final — sem acrescentar um “i” depois: invoke /ɪnˈvoʊk/, containment /kənˈteɪnmənt/, preeminent /priˈɛm ə nənt/, punctuate /ˈpʰʌŋktjuːeɪt/, warship /ˈwɔɹˌʃɪp/
- /l/ final — a língua toca o céu da boca, não vira “u”: missile /ˈmɪs.aɪl/, eventual /ɪˈvɛn.t͡ʃu.əl/, ideological /ˌaɪ.di.əˈlɑ.d͡ʒɪ.kəl/, sail /seɪl/, withdrawal /wɪðˈdɹɔ(ə)l/
- /h/ — um sopro suave, diferente do “r”: hemisphere /ˈhɛmɪsfɪə/, henceforth /hɛnsˈfɔɹθ/
Como praticar com este vídeo
- Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
- Faça shadowing frase por frase na velocidade normal, repetindo cada uma até o seu ritmo ficar igual ao do falante.
- Grave a sua voz e compare com o original, prestando atenção a palavras como hemisphere, doctrine, dominance.
O que é a Técnica de Shadowing?
Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.