資料來源：《英語暢談世界文化》
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每天一分鐘，我們一起玩轉(zhuǎn)世界文化。山姆叔叔已經(jīng)成為了美國的代名詞，第一次世界大戰(zhàn)中曾出現(xiàn)過“山姆大叔”號召美國青年當(dāng)兵的宣傳畫，流傳很廣。 1961年，美國國會正式承認(rèn)“山姆大叔”為美國的民族象征。
童鞋們注意引號不寫，是英式拼寫哦~~
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Hints：
U.S.
Uncle Sam
First World War
Hollywood
American Congress
Oh, because the army supply boxes also had U.S. printed on them. So he could have been a real person after all. One story must be true, but I'm not sure which. Do you know what was the most well-known poster of Uncle Sam? I think it was from the First World War. They used Uncle Sam, pointing a finger at the American people saying "We want you!" to encourage men to sign up and become soldiers. And a very effective advertising campaign it was too. Many young men signed up to fight for their country because of that poster. I think that poster is perhaps the most famous American poster ever. Even more than the Hollywood movie posters you see outside cinemas. I think you're right. In 1961 the American Congress adopted Uncle Sam as the national symbol. So nowadays Uncle Sam isn't just about war, like in the poster, he's the true symbol of the American people. I think it's special to have a cartoon as a national symbol, very different.