Well it supplied many states with not only food but also gave the country alot of money due to trade value of the harvests. also it raised new methods of farming that some other country's payed to learn. I really hope this helps
The following were part of the Columbia Exchange except : (c). potatoes and corn were introduced into the Americas from Europe.
<h3>Meaning of Columbia Exchange</h3>
Columbian exchange can be defined as a kind of exchange that occurred between the New world of America and the old world of Europe and Africa.
This exchange helped diversified and transferred cultures between the counterparts.
In conclusion, The following were part of the Columbia Exchange except : (c). potatoes and corn were introduced into the Americas from Europe.
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The right statement would be They expanded their territory so that it stretched from Spain to the Indus River Valley.
I would say BOTH primary AND secondary,
hope this helps :)
THEY HAD TOCOS
ps. this is just a joke
