Answer :
The Mexican-American War
Explanation :
The Mexican-American War allowed for the United States to gain and conquer the Southwest. This war also caused sectional conflict in the years leading up to the Civil War.
Benjamin Franklin Florence Nightingale and Thomas Edison are three people that their perseverance has paid off in their life
I think it happened because president Hayes had a bad reputation at that time and the idea was, the congress should be stronger to "look at his hands".
The most necessary information is how it sank and what happened to the people on it.