The series of acts passed by Parliament during the 1760s and 1770s is what initially sparked the unrest that led to the American Revolution. The acts regulated trade and commerce in the colonies and were passed to help pay off the debt that the British government had incurred during the French and Indian War.
No one branch or institution can become so powerful as to control the system completely because of the separation of powers. The separation of powers is important because it provides a vital system of ‘checks and balances