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 as in Australia and New Zealand. British English uses "ELT" (English language teaching), because TESOL has a different, more specific meaning; see above. Several models of "simplified English" have been suggested or developed for international communication, among them: Language teaching practice often assumes that most of the difficulties that learners face in the study of English are a consequence of the degree to which their native language differs from English (a contrastive analysis approach). A native speaker of Chinese, for example, may face many more difficulties than a native speaker of German, because German is more closely related to English