What role did domestic politics and economic realities play in establishing an american foreign policy?

During the Age of Imperialism, the bulk of British emigration, trade, and capital went to areas outside the formal British Empire. European merchants had the ability to roam the high seas and appropriate surpluses from around the world. Thank you for posting your question here. 

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.