(no links) How was Grant's idea of 'total warfare' accomplished?

A ) the 6 weeks siege of Vicksburg
B ) Sherman's 'march to the sea'
C ) the total destruction of Richmond, Virginia
D ) the unconditional surrender of Lee at Appomattox Courthouse

How does the supremacy clause of the u.s. constitution affect the states? o a. it requires each state to establish a supreme court. b. it declares that the federal government can take away state powers if necessary. o c. it allows state governments to overthrow the federal government if necessary. o d. it ensures that the u.s. constitution overrules each state constitution