I believe 3 is the answer, because I think the U.S bought a part of Mexico.
Answer: Pope Urban II (Latin: Urbanus II; c. 1035 – 29 July 1099), otherwise known as Odo of Châtillon or Otho de Lagery, was the head of the Catholic Church and ruler of the Papal States from 12 March 1088 to his death. He is best known for initiating the Crusades.
Explanation: hope it helpsヾ(•ω•`)o
"<span>(1) status of slavery in the territories and states" is the issue that is reflected in these headlines, and is the main issue that was a problem leading up to the Civil War. </span>
Your answer is Navigation Acts. Hope this helps! <span />