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colorado river
Missouri
an early exploration route
I am not sure but did they mean route? If they didn't it was armada
Mississippi River
the Ohio River
They were both to explore the place for furs, and to settle it. And also, noth voyages found a water route into the land of Canada, not just at the sea shores.
in the amazon river
The end of Chinese exploration in the early 1400s affected global trade patterns in several ways. For one, the world got to know about the Silk Route, which was essential for trade, commerce, and growth.
the american trade route
It didn't regulate anything. It marked an early exploration route on the border of Maryland and Pennsylvania. This was also the border of slave country.
The Spanish and French explorers used the Gulf of Mexico as an exploration route to get to Mexico and other parts of North America.