How were the franks connected to the catholic church?

they modeled their clan’s organization on that of the church.
they church leaders maintain control of europe.
they converted to christianity and established ties to the church.
they rose to power in rome, just as the church did.

Historians have recently discovered a historical journal published in the early twentieth century. the journal contains facts based on original sources about the downfall of the early byzantium empire. historians consider this long-lost journal to be a breakthrough in their understanding of the byzantium empire. based on this information, the journal is a source.