Christianity, Islam, Buddhism, Judaism, and Hinduism
Hope this helps :)
Within everything there is good and evil
For a start, the surveillance in airports throughout the world has been modified ( full body scans, long lines, no liquids allowed, etc). Society became aware of terrorism and deportation since 9/11 was massive. Before that date, society has never heard of Al Qaeda, Bin Laden, Taliban movements and terrorist groups.
The correct answer is: By denying citizenship.
This happened in Dred Scott legal case in the Supreme Court on March 6th, 1857, it was ruled that a slave that who had resided in a free state and territory was not entitled to his freedom, in this case referring to Dred Scott. The Supreme Court stated that no African American could be a citizen of the United States. With this decision began the controversy to civil war.