C and E are definite answers and A and B are definitely not. I suspect D isn't either but in one phase of the Korean war UN troops which were largely American pushed the North Koreans back across their own border. However I would stick with C and E.
The period from 1550 to 1650 is considered the Spanish Golden Age because of its brilliance in its arts and literature. Philp II was an enthusiastic patron of the arts and also founded academies of science and mathematics.