Why did the movement for the reformation of the church begin not in the XIV or XV, but in the XVI century?

The great geographical discoveries and the ideas of the Renaissance caused great changes in the lives of people. These changes also affected the religious sphere.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.