Criticisms made by the opposition that a private society was engaging in politics resulted in a separation of Tammany Hall’s social and political functions. In 1805 the Society of St. Tammany obtained from the state legislature a charter of incorporation as a benevolent and charitable body to give relief to members and others. Politically, the Democratic Party was organized as an apparently distinct body, but the society’s sachems controlled the political mechanism and prevented hostile factions from meeting in the society’s building, Tammany Hall.
The activities that most demonstrated Americans' belief in Manifest Destiny occurred during the 19th century, while thousands of settlers moved west and displaced thousands of natives.