Avances científicos a través de la historia

What lured the spanish to the area of oklahoma?

Supporters of the atomic bomb argued against the idea that the united states should not use the bomb against japan by

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.