How did the collapse of the western roman empire lead to a new age in western europe?

What form of government is powers of states? first letter of the answer is r.

What did jesuits and the leaders of the council of trent have in common? they wanted to improve relations with protestants by making compromises. they were opposed to improving spirituality within the catholic faith. they accused people of heresy and witchcraft. they were concerned with improving religious education.

Brainliestttme : ) -what reforms were made in communist china?