Which ones describe nationalism? A. A belief that people should be loyal to their nation
B. Helped create new nations
C. Opposed by conservatives
D. Conservatives agreed with because it made their power stronger
E. A force that tore apart old empires

A

Explanation:

Nationalism is an idea and movement that holds that the nation should be congruent with the state. As a movement, nationalism tends to promote the interests of a particular nation, especially with the aim of gaining and maintaining the nation's sovereignty over its homeland.

b.   jim crow laws were enacted in northern states.