The future states of California, Nevada, Utah, New Mexico and Arizona became a part of the US under the Treaty of Guadalupe Hidalgo which ended the Mexican American War.
He rode trains.
Conflict with Great Britain
There were several; Thomas Jefferson, James Polk, and even Abraham Lincoln.
He served in the military, became president and became a general in Rosecrans
James Madison then took two terms of presidency as 4th president of the US
encouraged land speculation, which helped start the Panic of 1819
There was no President James Ford.
Yes
James A. Garfield was killed during the first year of his presidency.
He rode trains.
Florida
the war of 1812
No, Pierce.
He managed to not get married at all.
James Madison
There were several; Thomas Jefferson, James Polk, and even Abraham Lincoln.
Conflict with Great Britain