Violence in the Mining Towns Was

Violence in the mining towns was

A) as common as ethic prejudice toward groups such as Mexicans and Chinese.
B) largely instigated by cattlemen due to conflict over livestock ownership.
C) never very prominent because settlers led such simple lifestyles.
D) perpetrated entirely by Native Americans due to conflicts over land.
E) widespread due to the perpetual lack of mass-production industry in the West.