the cuban revolution resulted in: C) a government that soon adopted communist reforms and ideals
When cuba was struggling to gained freedom from the Spanish empire, the soviet union landed their assistance for Cuba. This is why after cuba finally manage to gain their independence, they adopt the ideals that is held by the soviet union.
The answer to your question is c and e
C: The world depends on oil produced by Gulf countries, such as Kuwait
The Persian Gulf is a region that is very important to the world, and the reason for this is that there is lot of oil and natural gas reserves in this region. These are actually the only two things that the Persian Gulf can offer to the world, but nonetheless, they are crucial for every country's economy in the world, so there is a heavy dependence on this small region. The enormous reserves of oil and natural gas are also the main reason behind the constant conflicts in this region, but also the main reason why lot of effort is put to control and stop this conflicts.