Which factor did the railroad contribute to by encouraging population growth in West Texas from 1870 to 1890?

a) more expansion of the reservation system


b) more settlers coming to the region


c) more renegades forming communities in the area


d) more deserters establishing cities ​

This question is asked on Brainly already and it was not answered correctly. So those of you that need the answer to this the answer is B. more settlers coming to the region…..My seventh grader took the test on K 12 and got it right