Answer:
The answer is a. unified the region of Gaul.
Step-by-step explanation:
The Frankish king Clovis was the first king of the Franks to unify the Frankish tribes and lead them in the region of Gaul. He converted to Christianity (Catholicism) because he believed it would strengthen his arm of power over the pagan tribes of his era. He is believed to have founded the Merovingian dynasty which lasted until the coming of the Carolingians.