Who was involved the sugar act?

British,

Sugar Act, also called Plantation Act or Revenue Act, (1764), in U.S. colonial history, British legislation aimed at ending the smuggling trade in sugar and molasses from the French and Dutch West Indies and at providing increased revenues to fund enlarged British Empire responsibilities following the French and Indian War. Actually a reinvigoration of the largely ineffective Molasses Act of 1733, the Sugar Act provided for strong customs enforcement of the duties on refined sugar and molasses imported into the colonies from non-British Caribbean sources.

British

Explanation:Sugar act,also called the Plantation Act or Revenue Act,(1764)In the U.S colonial history,British legislation aimed at ending the smuggling trade in sugar and molasses from the French and Dutch West Indies and at providing increased revenues to fund enlarged British Empire responsibilities following the French and Indian.