What effect did an elaborate transcontinental trading network have on the ancient Native Americans?

(this is just for fun) "alexander hamilton had a torrid affair and "(hamilton reference) : )

If the imperial dynasty had continued to rule china, it is most likely that a) the economy would have improved rather than weakened b) european nations would have gotten more of a foothold in china c) revolutionary groups would not have gained any power in the country d) communism would not have received support among the poor

The country japan fought during the sino-japanese war of 1894-1895 was