Analyze the image below and answer the question that follows.

A painting of Americans in covered wagons migrating out West in the winter.
Painting by C.C.A. Christensen

When Americans moved west in the 1800s, they did this for many reasons. Which of the following reasons is an example of a pull factor that encouraged Americans to migrate?
A.
There was not enough land available in the eastern states.
B.
There were plenty of land and resources available out West.
C.
There were few jobs available in the East.
D.
There was unfair treatment in the eastern states.

Please select the best answer from the choices provided