How did imperialism contribute to the start of WWI? A. European rivalries over colonial territory led to nationalistic tension among these states.

B. Eagerness to take over land in postrevolutionary Russia led to territorial conflicts.

C. Conflicts between church and government led to distinct divisions within key European countries.

D. Centralized governments whose powers were unchecked caused internal uprisings in many nations.​

A. European rivalries over colonial territory led to nationalistic tension among these states.

Explanation:

Imperialism contributed to the start of WWI in such that the "European rivalries over colonial territory led to nationalistic tension among these states."

Imperialism is a term used in describing the strategy of a particular country exercising its power and influence to colonize other countries or nations using military force.

Hence, imperialism contributed to the start of WWI when the likes of Britain, Germany, and France tried to expand their empires, which led to a rise in tensions as they fought for resources among European countries.