The Saudi Arabia politics are take place in the context of a totalitarian absolute monarchy with some Islamic (Wahhabi Islam) lines, and the King is both the Saudi Arabia's head of state and absolute monarch (i.e. he is the head of government). The King also serves as the head of the Saudi royal family, the House of Saud, which is also why the country bears the name that it has.
Forests capture and store water and can play an important role in providing drinking water for millions of people in cities,villages and towns.Forest contribute to the reduction of water-related problems like floods by absorbing water through their roots and storing it in the ground.
The correct answer to this question is: colonization.
D) Territory
For example Puerto Rico is its own country but is territory of the United States.