Which river drains all of the land between the rocky and appalachian mountains?
a.

the columbia
b.

the colorado
c.

the rio grande
d.

the mississippi

The correct answer is option D. the Mississippi.

The Mississippi River, the largest river of the United States, drains a large portion of the land area between the Appalachian Mountains and the Rocky Mountains. The Mississippi River also carries all the water through many the American states and finally discharges it into the Gulf of Mexico.  

- a.) african slaves and indentured servant’s

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