Complex sentence: Eventually, the Whigs and Hale's Independent Democrats took control of the legislature and elected Whig Anthony Colby as governor and sent Hale to the Senate, much to Pierce's anger.
Split into simpler sentences: Eventually, the Whigs and Hale's Independent Democrats took control of the legislature. They elected Whig Anthony Colby as governor and sent Hale to the Senate, much to Pierce's anger.