As a result of the terrorist attacks on september 11 ,2001 ,

it's the third option, the US declared a "war on terror."

Explanation:

Edge2021

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:

c) legal battles last five weeks after the election due to the narrow victory in several states.