Answer:
Studies point out that almost 70 percent of the South American continent is made up of hydrographic basins with naturally navigable rivers, which provide real opportunities to become a strategic factor that favors the transportation of merchandise, economic revitalization, and in general, a comprehensive development
Explanation:
The governments of this four countries have been all accused of state-sponsored terrorism in their respective countries. All of these countries are/were classified as countries were dictatorship takes place, people are/were murdered for no reason, genocides were taking place, people were put in jail for expressing their opinion, women's rights are on way to low level, private militias are working and are sponsored by the state, as well as terrorist organization that are sponsored by the state...
This is true. Agriculture would result in watering plants, lands etc. If this increases, Sedimentation would increase.
Answer would be: True.
They are causes of desertification