Before the reformation, the dominant force in european life was the

The Catholic Church

Explanation:

Before the Reformation, the Catholic Church dominated European society. The society revolved around the Church, as people were devoted to their Lord Jesus and their churches. The Church became extremely powerful,  led by the Pope.  The Church served as peoples guidance and it served as their government. The Church before the Reformation had a right to make decisions for the people.

the world may never know