What Was Unique About the Development of States in the Iberian

What was unique about the development of states in the Iberian peninsula?

A) These governments were based on city-states rather than nation-states.
B) Based on Castile and Aragon, the Iberian states were unique in their adoption of Islam.
C) Spain and Portugal developed effective new governments with a special sense of religious mission and religious support.
D) The states of Spain and Portugal were able to develop without emphasis on the military.