Which event symbolically marks the end of the cold war? the fall of the berlin wall the defeat of communists in vietnam the fall of the iron curtain the u. s. invasion of the soviet union

Apex plz i’m almost done if i get this all right

How did the invention of the cotton gin affect slave labor in the united states? a. there was a forced migration of slaves from the south to the north. b. slave-owning cotton planters were gradually forced to sell their plantations. c. more slaves were purchased to work on cotton plantations in the south. d. the reduced need for labor on cotton plantations led to a decline in slavery. e. slaves were moved from cotton plantations to sugar plantations.

Who was the first african american since reconstruction to be elected to congress from georgia?