Where did the roots of the american system of government orginste from

The English common law was the system of law in England at that time and was quickly adopted throughout the colonies. The English common law is rooted in centuries of English history. Much of the common law was formed in the years between the Norman Conquest of England in the early 11th century and the settlement of the American colonies in the early 17th century.

c-three

explanation:

legislative, executive and judicial