The purpose of laws that followed the September 11 attacks were to keep the United States safe from terrorism and allow law enforcement to identify acts of terrorism before they happened.
The area around India and the Indian Ocean.
The answer for this is "Compromise of 1850".
The Compromise of 1850 is a set of laws dealing with the issue of slavery. California was admitted as a free state, upsetting the groups in favor of slavery and satisfying those opposing it in the U.S senate. In Addition, California abolished the slave trade by entering the Union as a free (no slavery) state.