The 15th century....I think
I’m pretty sure the answer is the first option, but I could be wrong
A) he negotiated a clear border between Spain & France.
B) he stopped the Muslim advance from Spain into France.
C) he welcomed ambassadors and scholars from Moorish Spain.
D) he established a Christian kingdom in a corner of northern Spain.
Answer:
High Plains region
Explanation:
it's underlying much of the High Plains region.