Who followed the mississippi river to the gulf mexico and claimed the region for france?

Rene-Robert Cavelier de La Salle

Explanation:

French explorer, Rene-Robert Cavelier de La Salle, sailed from the Great Lakes up the St. Lawrence River, through the Atlantic Ocean and Gulf of Mexico, to the mouth of the Mississippi River in 1682. There he raised a French flag and claimed all the lands drained by the Mississippi for France.

c. bounced back and forth from worthless to worth a lot and back to worthless

answer; /// slavery should be outlawed in the new country, was part of the initial draft of the declaration of independence, but not part of the final