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Bonsoir svp aidez moi à répondre à cette question "what does the historical perspective of America teach us ?"

Avec ce texte : "Yet past experience does nothing to diminish the present-day anger and disillusionment of many American voters with the modern political establishment and the way things are now. This discontent is very real and very urgent.The unpalatable truth confronting Americans, if they care to face up to it (and many do not), is that their country, for so long regarded by them as unquestionably the foremost and best among nations, is under unprecedented pressure. Militarily, the US remains the world’s most powerful state. Yet it cannot or will not stop a resurgent Russia thumbing its nose at the west in Ukraine, Syria and the Baltic. In the South China Sea, another upstart rival, China, builds multiple island military bases with nonchalant impunity. In the Middle East, the sons of those same insurgents who resisted the 2003 Iraq invasion and swore allegiance to al-Qaida now fly the black banners of Islamic State, tearing up international human rights law, threatening civilian lives in every European and Arab capital and making a mockery of the post-Cold War pax Americana.
At home, global forces beyond the control of any White House incumbent undermine the job security, pay and pensions of American workers once inured to international competition.American society meanwhile continues to transform rapidly in myriad ways. Gone are the old, Germanic-inspired certainties of kitchen, church and country. No longer can violence against black people and other minorities, powerfully symbolised by police shootings, be quietly ignored. As Obama’s watershed election in 2008 foretold, in the making is a more integrated, more multiracial, multi-confessional, sexually liberated and politically diverse America than ever existed before. The wonderful irony is that the idea of the melting pot, for so long more myth than daily fact of life, seems finally to be coming into being."