Which of the Following Is True About Violence Against Minorities

Which of the following is true about violence against minorities in the United States:

A) During the 18ᵗʰ century, there were frequent massacres of Chinese mining and railroad workers in the West
B) The lynching of African Americans by white mobs stopped after the Civil War
C) In the past century, African Americans were lynched for such minor offenses as peeping into a window or seeking employment in a restaurant
D) The extermination of Native Americans in the United States began in the 1800s