Im so sorry i was going to help but i suuuucccckkkkk at history again im sorry and i hope you get your answer :)
The Boston Massacre, known as the Incident on King Street by the British, was an incident on March 5, 1770, in which British Army soldiers shot and killed several people while under attack by a mob
I would say the 14th amendment because it gave equal rights and protections under the law.
To serve as president, one must: be a natural-born U.S. citizen of the United States; be at least 35 years old; be a resident in the United States for at least 14 years.
The social contract basically describe the class of people.