American troops defeated the British at___________ in Northern New York. This was a great turning point of the American War of Independence，leading directly to an alliance between the U.S. and France.
A、Saratoga
B、Trenton
C、Lexington
D、Yorktown
【正确答案】：A
【题目解析】：本题考查美国的独立战争。根据课本P197可知，美国军队在纽约北部的萨拉托加打败了英国人。这是美国独立战争的一个重要转折点，直接导致了美国和法国的结盟。
