What are examples of General Grant's trategy of "hard war" (or "total war") and how were they effective?

Under the new imperialism europe did not need large numbers of people to control territories because of

Brainliestttme : ) what economic changes occurred after world war ii? ( economic boom, baby boom, g. i. bill of rights)

Respond fast need this answer asap still need to do about 3 pages of work to turn in tomorrow it be 2: 26am here