Which two factors caused many americans to migrate to the west in the mid-nineteenth century?

b.

explanation:

he is racist

"oh, lets coppy china and build a great wall around bla bla bla.that way,we wont lose out to other countries." in the end, he did not build anything

the correct option is a

explanation:

the movement mainly consisted of white farmers from the south who sought the relieve of farmers from their hardship. hope this !

by kd