Why is school segregation so difficult to end more than six decades after the Supreme Court ruled it unconstitutional in 1954?

Who issued the ruling for the supreme court? dred scott roger b. taney abraham lincoln john c. calhoun

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.

What was the earliest settlement shown on the map?