Tropical grass land can be divided into two based on their location.
One is between the tropical forest and the desert while the other is between deserts and the temperate forest. Tropical grassland comprises of trees and grasses in varying proportion based on the distribution of rainfall in a particular area. It is also known as savannah, they are homes for primates in Africa and Asia.
The significance of the attack on the USS Cole in 2000 was that it changed the rules of engagement for US ships, which can now fire upon approaching vessels without captain approval.