What is an example of an event that caused long-term historical effects?

The __ spread troughout southern africa below the equator during the classical era. a. assyrian empire b. bantu peoples c. axum civilization d. nubian civilization

Which best describes the influence of the national revolutionary party on mexico after the revolution?

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.