The Democratic Party is one of the two major contemporary political parties in the United States. Founded in 1828, it was predominantly built by Martin Van Buren, who assembled a wide cadre of politicians in every state behind war hero Andrew Jackson, making it the world's oldest active political party.[11][12][13] Its main political rival has been the Republican Party since the 1850s. The party is a big tent,[14] and though it is often described as liberal, it is less ideologically unif...