How has the appalachian and rocky mountains impacted the settlement patterns in the united states?

Due to the fact that the Rocky Mountains and the Appalachian Mountains make it harder for settlers to get pass those regions, there was more settling in the spaces of the East and West coast before the mountains. It wasn't until the train became common that settlers finally started moving past these mountains.

Explanation:

battle of survival between farmers and the rabbits during the great depression

i think it’s will be a yes