Why did world war i become global in scope instead of remaining a regional conflict ?

What directive in source a might have been at the root of the action described in source b?

Which statement best describes a major advantage of a confederal system of government over a unitary system

What was a cause of the boer war? a. conflicts between boers and bantu c. disputes over land ownership b. conflicts over water rights d. desire to control the region's mineral wealth select the best answer from the choices provided a b c d