USA HISTORY

Detailed explanation-1: -It became the main local political machine of the Democratic Party, and played a major role in controlling New York City and New York State politics and helping immigrants, most notably the Irish, rise in American politics from the 1790s to the 1960s.

Detailed explanation-2: -Benefits and problems both resulted from the rule of political machines. This system of political control-known as “bossism"-emerged particularly in the Gilded Age.