Why did the navigation acts anger the colonists

The main reason why the Navigation Acts angered the colonists was because limited the use of foreign ships used for trade in the colonies, which limited the colonists' choices for goods. 

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.