Answer:
i thin its c but i can be wrong
Explanation:
From the cooling of lava the feature of Magma should form
The main reason why division made this possible is because it was impossible for a single leader to oversee both halves, meaning that communication between two leaders was weak. This led to differences in military strategy that led to enemy incursions.
The answer would be A. D would be close due to it's relation to early European Imperialism, but it isn't due to strictly economic motives.