After the fall of the soviet union,
a. ethnic conflicts and separatist movements threatened stability.
b. most soviet satellites chose to remain part of russia.
c. the nation achieved a level of stability never seen before.
d. most russians wanted to return to the soviet system.

the dust bowl, otherwise known as the dirty thirties, was a huge dust storm that killed multiple (and i mean  multiple) farmer's crops, leaving them homeless, and foodless, and jobless. in california, there were 5.7 million residents, and the population shrank as mexicans were repatriated. however, when the dustbowl happened, a lot of people began to move to california. by 1940, 250,000 people had arrived. therefore, your answer would be  the population increased, massively.  i hope this !

explanation:

oil! is what i am assuming