The u. s. constitution gives citizens the right to vote for the president this is an example of A. Checks and balances
B. Separation of powers
C. Federalism
D. Representative democracy

D. Representative Democracy

Explanation: US citizens are allowed to choose who REPRESENTS them as a country, which fits the democracy and representative terms.

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: