New Hampshire is a state in the New England region of the northeastern United States. During the American Revolution, it was one of the Thirteen Colonies that revolted against British rule. One of the smallest U.S. states in area and population, it was part of New England's textile economy between the American Civil War and World War II. Since the 20th century, the state has been known for its presidential primary, outdoor recreation, its educational boarding schools, and being part of the biotech industry.