Answer:

STAMPTAX

Answer	Crossword Clue
STAMPTAX	Hated Colonial burden
STAMPTAX	Colonial burden imposed in 1765
STAMPTAX	Hated 1765 Colonial burden

STAMPTAX	1765 levy repealed in 1766
STAMPTAX	Subject of a 1765 act
STAMPTAX	Colonial issue of 1765
STAMPTAX	Major irritant for American colonists
STAMPTAX	Issue of 1765
STAMPTAX	Colonial grievance that was a cause of the Revolutionary War