What challenges did African Americans soldiers faced during WWII?

Who did not want to abolish slavery

How did the completion of the transcontinental railroad change the lives of american citizens? a-it increased the wealth of all americans and enabled them to travel more.b-it made cross-country travel too expensive for ordinary americans.c-it decreased the safety of americans who moved to settle the plains.d-it shortened travel time between the east and west for all americans.

How did political revolutions in the atlantic ocean basin affect or alter the institution of slavery and the lives of slaves