The killing of South Vietnamese civilians by American soldiers in the village of My Lai a. was not learned about until years after the war had ended.
b. was not learned about until years after the war had ended, and did not result in any convictions of
Americans who took part.
c. did not result in any convictions of Americans who took part.
d. None of these answers is correct.
e. attracted little public attention in the wake of the Cambodian invasion and the Pentagon Papers.

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:

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d) iowa i believe is the answer

i believe that d is the right answer