Which best describes john c. calhoun's attitude towards slavery? a slavery was a necessary evil. b slavery was a good for everyone involved. c slavery was worse than work in textile mills. d slavery should be abolished.

The early innovations of rice and the plow had a huge impact on agricultural societies worldwide. the ability to produce a surplus of food had what impact on a population? it allowed for population growth. it introduced new diseases into society. it increased trade. it caused people to begin to move out of cities. turn it in ask for next question terms. suse