Question

Why did European nations form alliances In the late nineteenth and early twentieth centuries?

A. to build large empires
B. to keep peace on the continent
C. to increase their wealth
D. to start wars

Answer 1

I think the answer is B. To keep peace on the continent.

European nations formed alliances in the late nineteenth and early twentieth centuries, to stable the balance of power, as well as to prevent wars in Europe that could challenge the political, and economic stability of European nations.