Approximately how long did the war with Tripoli last?

A) six months

B) one year

C) five years

D) eight years

C

The war between the United States and the Muslim countries of North Africa commonly called Barbary States, among them, Sultanate of Morocco and Tripoli, quasi-independent city-state, nominally belonging to the Ottoman Empire. The cause of the war were repeated attacks by Barbary pirates on American shipping trade.