Answer: Populist and Libertarian
The Populist Party (also, the People's Party or the Populists) was an agrarian political party during the first half of the 1890s. It was a left-wing party based around a coalition of white cotton farmers in the South and wheat farmers in the Plains states. They joined the Democratic Party in 1896.
The Libertarian Party (LP) is a political party in the US conceived in Colorado in 1971. The party was created as a response to the Nixon administration, the Vietnam War and the end of the gold standard. It calls for the shrinking of the size of government and laissez-faire capitalism. It is the largest third party in the United States.