Complex sentence: Following the defeat of Germany in World War I, France and Britain divided Togoland in 1919, and the whole of Salaga Area eventually came under British rule, and thus finally became part of the newly-independent state of Ghana in 1957.
Split into simpler sentences: Following the defeat of Germany in World War I, France and Britain divided Togoland in 1919. The whole of Salaga eventually came under British rule, and eventually became part of the newly-independent state of Ghana in 1957.