West African Pidgin English the river systems into the West African interior because of its value as a trade language among Africans of different tribes. Later in its history, this useful trading language was adopted as a native language by new communities of Africans and mixed-race people living in coastal slave trading bases such as James Island, Bunce Island, Elmina Castle, Cape Coast Castle and Anomabu. At that point, it became a creole language. Some scholars call this language "West African Pidgin English" to emphasize its role as a lingua franca pidgin used for trading. Others call it "Guinea Coast Creole English" to emphasize
English as a second or foreign language group. In the UK and Ireland, the term "EAL" (English as an additional language) is used, rather than ESOL, when talking about primary and secondary schools, in order to clarify that English is not the students' first language, but their second or third. The term ESOL is used to describe English language learners who are above statutory school age. Other acronyms were created to describe the person rather than the language to be learned. The term Limited English proficiency (LEP) was first used in 1975 by the Lau Remedies following a decision of the U.S. Supreme Court. ELL (English Language