It was g<span>uerrilla warfare.</span>
C. The discovery of valuable minerals. (California Gold Rush)
Federalism is the mixed or compound mode of government, combining a general government (the central or 'federal' government) with regional governments (provincial, state, cantonal, territorial or other sub-unit governments) in a single political system.
I think it is d but it also might be b but just go with d. it sounds more correct
Which African culture? Africa is not a country