Under the economic system of mercantilism in Colonial America, all trade was controlled and protected by Great Britain for its own benefit. Great Britain dominated trade within and outside the colonies, taking profits, goods, services, and currency to increase its own wealth. Colonists could only export goods to and import goods from Britain using British ships and crews.
Colonists earned money through various jobs like farming, crafts like blacksmithing, and professions like law and medicine. While most colonists were first farmers with small plots of land, they also earned wages for labor or services and purchased goods rather than bartering. Money took various forms including British and colonial paper currency as well as commodity currencies like tobacco. Some colon