Periodization is a useful concept to apply when:

50 do you think civilian (nonmilitary) control of the military is an important part of u.s. democracy? why or why not? what are the advantages to this system? are there disadvantages?

What was the plight and fight of the following groups? labor farmers native americans african americans women immigrants ~ ap u.s. history (period 6: 1865-1898)

Which scenario best illustrates the principle of popular sovereignty?