The longest river in the United States is the River.

A. Ohio
B. Missouri
C. Colorado
D. Mississippi

B should be your answer.

The Missouri river is the longest river in the U.S.

Explanation: Rising in the Rocky Mountains of western Montana, the Missouri flows east and south for 2,341 miles (3,767 km) before entering the Mississippi River north of St. Louis, Missouri.

abraham lincoln issued the preliminary emancipation proclamation on september 22nd, 1862. it stipulated that if the southern states did not cease their rebellion by january 1st, 1863, then proclamation would go into effect.

answer; /// i believe the correct answer is general act charters;