 Complete the following phrase:  Some Louisiana urban environments have a multicultural, multilingual heritage, being so strongly influenced by a mixture of 18thcentury French, Haitian, Spanish, French Canadian, Native American, and African cultures that they are considered to be exceptional in the U.S. Before the American purchase of the territory in 1803, the presentday U.S. state of Louisiana had been both a French colony and for a brief period a Spanish one. In addition, colonists imported numerous African people as slaves in the 18th century. Many came from peoples of the same region of West Africa, thus concentrating their culture. In the 