Which tragic events helped to prompt the passage of the Civil Rights Act of 1964?

Why did brigham young lead a group of 150 people out west? a.) he was a freed slave who wanted to create a community among other freed slaves. b.) he was a mormon leader who wanted to escape religious persecution. c.) he wanted to establish a fur trade with native americans in oregon country. d.) he was a catholic missionary who wanted to establish catholic missions in the west.