All of these countries had official colonies in africa at the end of world war ii except a italy b france c portugal d great britain

Italy lost all of their African colonies at the end of World War 2.

Contributing factors  leading  to the harlem renaissance were the great migration of african americans to northern cities, which concentratedambitious  people in places where they could encourage each  other, and the first world war, which had created new industrial work opportunities for tens of thousands of people.