Concept:Ghana and Togo are neighbouring West African countries that both lie on the Gulf of Guinea.Explanation:Both Ghana and Togo have a coastline along the Atlantic Ocean (the Gulf of Guinea): Ghana's coast runs from Côte d'Ivoire to Aflao, where Togo's short coast begins at Lomé.They did not have the same colonial masters: Ghana was ruled by Britain, while Togo was a German colony and later French Togoland.Neither country borders Nigeria (Benin lies between Togo and Nigeria).Their populations are not similar: Ghana has over 30 million people, Togo under 10 million.Answer:Option B (a coastline along the Atlantic Ocean)