This department's role was strengthened by the 16th amendment.
Just before the Civil War, the head of this department, John Adams Dix, sent a message saying, "If any one attempts to haul down the American flag, shoot him on the spot." Soon after that, Dix was replaced by future Supreme Court Justice Salmon P. Chase. This department used to control the Bureau of Alcohol, Tobacco and Firearms, but that is now handled by Justice and Homeland Security. This department's role was strengthened by the 16th amendment. Name this cabinet-level department, first headed by Alexander Hamilton, that oversees the U.S. Mint and Internal Revenue Service.
Just before the Civil War, the head of this department, John Adams Dix, sent a message saying, "If any one attempts to haul down the American flag, shoot him on the spot.
U.S. Department of the Treasury [accept Treasury Department, do not accept "Secretary of the Treasury"]