Your answer is D. erosion
The correct answer is - failed.
The African nations with their peacekeeping efforts completely failed in their mission in Sudan. They did not managed to keep the peace at all, and everything continued as if they were not present on the terrain. The mission lasted for around three years, from 2004 till 2007, and after the United Nations saw that there's no effect from it, the AMIS (as it was called) was replaced by UNAMID, peacekeeping forces from the United Nations.
spain is the only nation that does not poossess nuclear weapons.
<span>Earthquakes occur in the crust or upper mantle, from the earth’s surface to about 400 miles below the surface. But the very deepest earthquakes only occur at subduction zones where cold crustal rock is being pushed deep into the earth. In California, earthquakes are almost all in the top 15 miles of the crust, except in northern California along the Cascadia Subduction Zone, which extends into Oregon, Washington, and British Columbia.</span>