Crockett served in the Tennessee Militia for a few years, then ran for Congress in 1824. He lost his election, but ran again in the next election. In 1827, he was elected to the United States House of Representatives. As a Congressman, he became angry about President Andrew Jackson's Indian Removal Act, which forced Native Americans to leave their land. He lost his re-election in 1830. However, he ran again in 1832 and won.