Which event best shows the destruction of the natural landscape due to the settlement of the West?
a. Many settlers were unable to farm the Great Plains due to the challenges of working with the land.

b. With hunting and habitat destruction, American settlers decimated the once-mighty bison herds.

c. The US government allocated certain regions of the West for American Indian reservations.

d. The ethnically diverse prospectors caused the population of San Francisco, California, to increase rapidly.

e. Many American settlers discovered that the mountains and deserts in the West were.