under the authority of this leader, a council met in the city of trent three times to reassert the authority of the church.
martin luther
charles v
pope paul iii
henry viii

The correct answer is Pope Paul III

He was the first Pope that initiated the meetings in Trent as a response to the ever growing protestant reformation. It was done as a response to what Martin Luther was preaching.

Idgaf answer yourselve u bum