The U.S armed services had been demobilized following world war I and the great depression had limited the governments resources
C.
A is correct, most scientists believe in climate change so B is incorrect, and I am pretty sure that D is incorrect.
The answer is A) Iberian Peninsula.
Granada was an Islamic Kingdom on the Iberian Peninsula, the peninsula which contains modern-day Spain and Portugal. Granada was the last Islamic Kingdom to fall to the Christians during La Reconquista, the reconquest of Iberia by the Christian Spanish Kingdoms.