When did the great depression end?
1899
1954
2019
1939

What was the most important consequence of the large-scale ecological changes in africa two hundred thousand years ago?

By choosing to resupply fort sumter, abraham lincoln risked a. abandonment of the fort by union soldiers. b. abandonment of the fort by confederate soldiers. c. the appearance of giving in to confederate secession. d. armed conflict with southern soldiers.

Look at the graph. where p is price and q is quantity, what might cause a move from b to a?