To what extent and in which ways did the introduction of new materials influence the development of architecture between 1850 and 1950?

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.

Mark each statement if it describes a characteristic that pulled the greek city-states together? national anthem poetry of homer food growth and preparation

What was the mame given to the idea that americans should expand across the nation ro the pacific coast