What are the reasons for the success of the American Economy?

What are the reasons for culture shock? What are the reasons for your success? What are the important reasons that caused the American Revolution? what are the possible reasons for generation gap,and what solutions do you suggest to theproblem What are the reasons and the results of the Industrial Revolution in Britain What are the reasons for the success of the American Economy? what are the three reasons people are choosing to get the news from the internet?这里两个动词are what do you think are the reasons for teenagers to pick up smoking? 商业英文 What are some of the reasons for filling positions internally?怎么翻译 The reasons for this phenomenon are varied. what do you think are the reasons for the popularity of western festivals in china求回答! What are the reasons and process of the Gulf War?回答要用英文,字数在150-200之间 what is fresh reason in Chinese?The sentence is There are fresh reasons for optimism in the battle against AIDS. What do you think are the reasons for shyness ?What are the ways to overcome shyness ?请用英语回答,谢谢… what dou you think are some of the reasons that people carry out experiments这里的 that What are the reasons that cause more and more traffic accidents in China today?帮写一篇短文, What are some reasons for having zoos?What are some reasons for not having zoos?Make a chart What are some reasons for having zoos?What are some reasons for not having zoos?Make a chart怎么回答？