The "Spanish Ulcer" Was the Name Given to

The "Spanish ulcer" was the name given to

A) a plague that spread from Spain to the rest of the continent, causing a decrease in population.
B) a strong alliance between Spain and France, which lasted for the entirety of Napoleon's rule.
C) a conflict that arose between Spain and Portugal over the distribution of land.
D) a resistance to Napoleon in Iberia that eventually contributed to his downfall.
E) Spain's inability to grow its economy enough to form its own army.