Why did eisenhower send federal troops to central high school in arkansas?
to assist local police who were struggling to contain an angry white mob
to remove the national guard who had been sent by governor faubus
to block african american students from entering the school
to prevent white students from attending

1. where does the energy of a nuclear power plant come from?

d) political bosses should not hold office

can someone me with this question:  

1) the end of the conflict between the north and the south didn’t just mark the end of a war; it marked the end of an entire way of life.” which statement best describes what this statement means?  

a) the southerners were no longer free and were controlled by the northern states.

b) the industrial economy in the north was not sustainable.

c) slavery became illegal, which changed completely the south’s labor force and the agricultural economy was destroyed.

d) the states decided to relinquish their independence and return to britain’s rule.