I REALLY NEED HELP PLEASE I CANT FIGURE OUT THE CLAIM Which part of the historian's argument is his claim?

A. In his opinion, it is morally wrong for any political movement to
use violence to achieve its goals.
B. He notes that, following the Revolution, a rash of violence swept
over France.
C. He refers to the execution of French royalty and the European
wars that revolutionaries launched following their victory to
support his argument.
D. Based on this information, he argues that the French Revolution
produced far more negative outcomes than positive ones.

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:

its many islands, high mountains, and remote peninsulas isolated population centers.