The sugar act is also known as American Revenue Act of 1764, was a law that was implement by the British empire in order to stop smuggling of sugar and molasses in the colonies by enforcing the collection of duties. The colonists oppose the sugar act because the duties were imposed by the Sugar Act represented taxation without representation which is not acceptable for the colonists.
The Stamp Act of 1765 was a tax imposed by the British empire in order to collect money needed for the French and Indian War. The British felt they have the right to imposed this tax because the colonies were receiving the benefit of the British troops and needed to help pay for the expense but the colonists didn't feel the same about this tax and oppose this act.
