<span>Nomadic and agriculturists </span><span />
First <span>the capitalist world was in the great economic depression.
Second "</span><span>decline” took place in the 1970s and 80s during which the international competitiveness of U.S. commodities and capital decreased drastically.
Third </span><span>“decline” occurred during the recent financial crisis.
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Reasons Why
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* </span><span>first two “declines”, the United States entered a new stage of economic growth through reform and innovation. There are still lots of uncertainties whether the U.S. economy would be able to recover this time, but it seems certain that one, the United States has fallen from the peak of economic hegemony and it is unable to change the trend of plural development of the world economy in the 21st century even if its economy could resurge, and two, the U.S. economy remains strong and will witness a fairly long period of development in the wake of fresh scientific and technological revolution.
HOPE I HELPED</span>
The similarity between the Mayas, the Incas, and the Aztecs is that they all had control of a rather large empire(s) that eventually came to an end.
