The Most Important Factor in the Rise of Spain as a Major

Multiple Choice

The most important factor in the rise of Spain as a major European power was the:

A) exile of Jews from Spain.
B) end of the Hundred Years' War.
C) unification of the kingdoms of Aragon and Castile.
D) defeat and annexation of Muslim Granada.
E) construction of the Great Armada to subjugate the other European powers.