The Senate of Texas charges a tax of twenty cents ($.20) per gallon on the purchase of a gallon of gasoline.

— Sec.162.102

The United States government imposes an excise tax of 18.4 cents per gallon on the sale of gasoline at the pump.

— Federal Tax Code


The two excerpts above illustrate the principle of —
F.limited government
G.federalism
H.separation of powers
J.checks and balances