What role does American government play in the development of economy?204

问题描述:

What role does American government play in the development of economy?204
Key Points:involvement of American government; American agriculture and industry; recent development of the American economy
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Ameirican government involved the development of the economy by paying much attention to the science and technology,they spent a lot of money to help the development,thus American grew quickly in agriculture,industry and many other aspects.