The three people that came up with the second amendment were James Monroe, John Adams, And James Madison. It was adopted into the constitution on December 15,1791 and it allows people to legally bear arms.
This amendment was passed by Senate on April 8,1864 and by The House on January 31,1865. This abolished slavery but segregation still followed the slaves.
This amendment was adopted on August 18,1920. It was a result of the woman's suffrage movement in the U.S., and it gave women the right to vote.