They made the group to have more power.
Not D and not B but pretty sure C sorry if i’m wrong
Option C would be the best answer. You don't use a poll to leak info, stop corrupt systems or raise power.
Answer: C. They converted to Christianity and established ties to the Church
The Franks were able to create a connection to the Catholic Church after they have decided to be converted to Christianity and was able to established connections or ties to the church.