Which best explains how railroad companies were able to standardize their timetables in 1883?
o by combining into a single railway company
o by working together voluntarily
o by unionizing their labor forces
o by complying with federal legislation

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.

How did southern slaveholders attempt to convince people in the north to support slavery?

What motivated marcus garvey to form his philosophy