North Dakota Democratic–Nonpartisan League Party
The North Dakota Democratic–Nonpartisan League Party (abbreviated Democratic-NPL or simply D-NPL) is the North Dakota affiliate of the national Democratic Party. It was formed by the 1956 merger of the state Democratic Party with the Nonpartisan League; the state previously had a three-party political system.
Source: Wikipedia — North Dakota Democratic–Nonpartisan League Party (CC BY-SA 4.0)