Which of the following came first? A. the Civil Rights Movement
B. the Civil War
C. Black Codes
D. Jim Crow Laws

D. Jim Crow Laws.  

Explanation:

These laws were active in the late 19th century and early 20th century and had lasted until the Civil Rights Movement. Jim Crow laws are laws that had enforced racism and segregation. The Black Codes had occured after the Civil War, and The Civil Rights Movement happened after many racist attacks in the mid-late 1900s.

s the president shall be commander in chief of the army and navy of the united states, and of the militia of the several states, when called into the actual service of the united states; he may require the opinion, in writing, of the principal officer in each of the executive departments. sooo yeahhh

explanation:

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.