Simplify the following text for a Grade 10 native English-speaking person.
Original: After graduating from college , Pierce entered politics and rose to a central position in the Democratic party of New Hampshire and became a member of the Concord Regency leadership group . In 1828 he was elected to the lower house of the New Hampshire General Court , the New Hampshire House of Representatives .
Simplified: Franklin Pierce rose to a central position in the Democratic party of New Hampshire and was elected to the lower house in New Hampshireâ s General Court in 1828 .