Which statement best describes how the Dust Bowl affected human geography of the Great Plains in the 1930's?

The Dust Bowl caused the people to migrate from the great plains to the other regions of the united states.
The dust bowl was not severe enough to cause a change in the human geography of the great plains in the 1930's
The dust bowl caused people to migrate from other regions of the united states to the great plains.
Because the dust bowl lasted just a few weeks, people did not leave the great plains.

The statement "The Dust Bowl caused the people to migrate from the Great Plains to other regions of the United States" best describes how the Dust Bowl affected human geography of the Great Plains in the 1930s.