Answer:
C.) They converted to Christianity and established ties to the church.
Step-by-step explanation:
The Franks were once a group of germanic tribes that settled in the right shore of the raine from Mainez to the sea, they fought for the Roman empire on the Attila invasion. In 496 the Frankish king was converted to catholicism, this established ties to the church, and created an empire where everyone was equal and had the same political rights and could be electec for political roles.