22. As settlers moved west after the Civil War, they came up with new tools to make the land easier to cultivate. Tools such as barbed. wire and new kinds of plows made farming in the west possible. What unintended consequence did this have on the population of
the West?
O A It harmed the Plains Indians by driving away migrating buffalo,
OB It killed many Plains Indians as new settlers brought new diseases.'
OC It made the population become mostly former Southerners.
OD It made the West the richest area in the country.