Which was not a way that technology pioneers turn the great plains into productive farmland

This is the belief that a nation must develop and maintain a strong military force in order to pursue and defend its national interests.

In the early 1900s, the national association for the advancement of colored people strongly urged the federal government to a) punish lynch mobs. b) overturn jim crow laws. c) limit integration. d) limit activist organizations.

Which describes a significant different between the north and the south in the year leading up to the civil war