What event finally caused southern states to leave the union leading to the outbreak of the civil war?

Which event was the main reason for the announcement of the quit india movement? what were the results of the movement?

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.

Which of the following was a factor in the development of the english common law ?