Why did increasing militarism lead the European powers to form alliances?

A. to ensure their governments could obtain more resources
B. to provide protection from their enemies
C. to improve trade with their allies
D. to form a larger unified government

B. to provide protection from their enemies. The increasing militarism and arms race in Europe in the late 19th and early 20th centuries led many countries to feel threatened by each other. The formation of alliances was seen as a way to deter potential enemies and provide mutual defense in case of war. The major alliances formed during this time were the Triple Alliance (Germany, Austria-Hungary, and Italy) and the Triple Entente (Great Britain, France, and Russia).

B. to provide protection from their enemies