The U.S.suffers The United States is a nation famous for its power of innovation,universal- ly acknowledged as the major factor that makes the U.S.the worlds' economic and political superpower.Without it,the U.S. ...The U.S.suffers The United States is a nation famous for its power of innovation,universal- ly acknowledged as the major factor that makes the U.S.the worlds' economic and political superpower.Without it,the U.S. would not have reached the level of prosper- ity it has in the world.But today,things展开更多
文摘The U.S.suffers The United States is a nation famous for its power of innovation,universal- ly acknowledged as the major factor that makes the U.S.the worlds' economic and political superpower.Without it,the U.S. would not have reached the level of prosper- ity it has in the world.But today,things
