Pope gregory vii, in an attempt to assert more papal authority over the church, declared that any layperson, including rulers who appointed a church official, should face what action?

He declared that They would be excommunicated.
According to him, this type of appointment will only make the Church became too corrupt.
In order to revert back to its original function, he enacted that church officials shall stay away with any matters beside the religious devotion.

In the late fifteenth century, a major world power that established colonies in the era of old imperialism was france or germany or spain. their colonial activity was mainly limited to america or africa or asia.