When did Christianity become the dominant religion in Europe?

By the beginning of the fourth century official persecution of Christianity had ended in the Roman Empire, and support for the religion grew even among elites. It was under the reign of Constantine I (306-337) where Christianity became an official religion of the empire.

Explanation:

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.

the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation.