What incentive did the british offer african americans to fights with them during the war

African Americans that fought for the British Empire during the war were called Black Loyalists. They were former slaves that escaped captivity and the British Empire offered them freedom if they fought for them. Of course since most slaves would risk everything to be free they joined the British to fight for themselves.

equal area projections

equal-area projection. a projection in which regions on the earth's surface that are of equal area are represented as equal.