C since in 2011, the South Sudanese voted on a referendum in which about 99% of the voters voted to separate from Sudan and to become an independent country.
Both plates are folded into mountain ranges
Monroe, Livingston were forced? by Congress to offer up to $2 million to purchase the east bank of the Mississippi; Jefferson secretly advised them to offer over $9 million for Florida and New Orleans. Napoléon initially resisted U.S. offers, but changed his mind in 1803
Explanation: