Twelfth century italian communes eventually developed into

Twelfth century Italian communes eventually developed into independent city-states.

Explanation:

The Italian city-states were a remarkable political phenomenon in the northern part of the Italian peninsula between the 10th and 15th centuries, by which the main political entities of medieval Italy were cities with limited territory but high political and financial power, as well as having a local spirit that ensured their mutual independence.

what the question i might be able to

b. the right to wage war and make peace