Step 1 : Introduction to the question "which president was arrested while in office, for running over a woman with a horse?"
Born in New Hampshire, Pierce served in the U.S. House of Representatives and the Senate until he resigned from the latter in 1842. His private law practice in his home state was a success; he was appointed U.S. Attorney for his state in 1845. Pierce took part in the Mexican–American War as a brigadier general in the Army.
