Generally speaking, after the fall of the Soviet Union "<span>a. ethnic conflicts and separatist movements threatened stability," since there was an immediate collapse in the major power structure that had "tied" the nation together. </span>
Answer:
Droughts, farmers overgrazing the land, etc., caused the Dust Bowl.
Explanation:
The Dust Bowl was caused by several economic and agricultural factors, changes in regional weather, farm economies. It was also caused by farmers, misusing the land, which damaged crops and killed livestock.
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The group that advises the president is called the Cabinet.
