提高聽力同時，你還可以了解到美國歷史上的一些重要事件。請感興趣的你一聽為快吧！

<注意> 會議名稱和國家要大寫
hints:General Washington;Philadelphia;The Continental Army;Saratoga;Princeton; Trenton;New Jersey;Montreal;Savannah;Yorktown;Virginia
The colonies and Britain went to war. British soldiers defeated General Washington's forces in New York and took control of Philadelphia, forcing the Second Continental Congress to flee. The Continental Army won at Saratoga in New York and at Princeton and Trenton in New Jersey. George Washington had problems getting the men and materials he needed to fight the war. In 1778, France recognized the United States as an independent country and signed a treaty of alliance. France helped the United States as a way to weaken Britain, its long-time enemy. There were battles from Montreal, Canada, to Savannah, Georgia. A huge British army surrendered at Yorktown, Virginia, in 1781. The war ended when a peace treaty was signed in Paris on April 15, 1783. In this treaty, Britain and other nations recognized the United States as an independent nation.
殖民地和英國開始戰(zhàn)爭。英國士兵擊敗總的華盛頓武力在紐約和控制費城，迫使第二個大陸議會。大陸軍隊贏得了紐約的薩拉托加、 新澤西州的普林斯頓和特倫頓。在這之前喬治 · 華盛頓對于他打這場戰(zhàn)爭需要的士兵和材料是有困難的。在1778年，法國承認(rèn)美國作為一個獨立的國家，并簽署同盟條約。法國幫助美國作為一種削弱它的長期敵人英國的一種方式。戰(zhàn)爭從加拿大的蒙特利爾到沙凡那港市、佐治亞州。在1781年弗吉尼亞州的約克鎮(zhèn)，一個龐大的英國軍隊投降了。在1783年4月15日，戰(zhàn)爭結(jié)束時在巴黎簽署了一項和平條約。這一條約中，英國和其它國家承認(rèn)美國作為一個獨立的國家。