A is the correct answer:)
The dispute between north and south over slavery spreading to the new western territory/Louisiana purchase
The weather affected the building of the Panama Canal quite negatively because the hot, humid weather made the work exhausting. The workers had to take long pauses until it was suitable for them to work again, because it was scorching hot in Panama so that no work could be done. This greatly slowed the process of building the Panama Canal because the workers didn't have the required conditions under which to work properly.
The peninsulares were those born in the peninsula, i.e. Spain; the creoles were Spanish people born in America. Creoles felt that if they won independence from Spain, they might won also the political power and standing of the peninsulares.
