10. What river empties into the Gulf of Mexico?

Mississippi River

Explanation:A number of rivers empty into the gulf, most notably the Mississippi River and Rio Grande in the northern gulf, and the Grijalva and Usumacinta rivers in the southern gulf.

I got it!

Explanation:

The Mississippi River

A number of rivers empty into the gulf, most notably the Mississippi River and Rio Grande in the northern gulf, and the Grijalva and Usumacinta rivers in the southern gulf.

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explanation:

the main reason that the constitution did not proclaim all men to be free and equal is because of the issue of slavery.