Vibrant cultures are constantly changing and borrowing from other cultures - and that borrowing is not always from the US. For example, many more countries turned to Canada than to America as an example for framing constitutions in the aftermath of the Cold War.
活跃的文化不断地在改变，不断地借鉴其它文化--不仅仅是借鉴美国文化。比如，冷战后有很多国家选择加拿大而不是美国作为制定本国宪法的范本。