Question

How did the Capetian kings strengthen French national identity during the 11th to 14th centuries?
A.) They made French, rather than regional dialects, the major language.
B.) They gradually unified the central government located in Paris.
C.) They successfully challenged the dukes of Normandy for power over France.
D.) They gathered a strong army to fight back 1 attempts at invasion.

Answer 1

One of the ways in which the Capetian kings strengthened French national identity during the 11th to 14th centuries was that "C.) They successfully challenged the dukes of Normandy for power over France," since this was the only major competing power in the region. 

Answer 2

They successfully challenged the dukes of Normandy for power over France.

I hope this helps!