In the Compromise of 1850 and the Kansas-Nebraska Act of 1854, popular sovereignty was proposed as a way to a) allow northern states the power to ban slavery b) deny southern states the legal right to own slaves c)allow settlers in new territories to vote on the issue of slavery d) overturn previous Supreme Court decisions on slavery

- encouraging nationalism

- returning to conservative political policies

porter is writing economic history because he is focusing on the cost of developing vaccines.

as general terms,  indian territory,  the indian territories, or  indian country  describe an evolving land area set aside by the  united states government  for the relocation of  native americans  who held  aboriginal title  to their land. in general, the tribes ceded land they occupied in exchange for  land grants  in 1803. the concept of an indian territory was an outcome of the 18th- and 19th-century policy of  indian removal. after the  civil war(1861–1865), the policy of the government was one of  assimilation.

thurgood marshall

explanation: in 1954, thurgood marshall and a team of naacp attorneys won brown v. board of education of topeka, kansas. in this landmark decision, the supreme court held that segregation in public education violated the equal protection clause of the fourteenth amendment.