What event forced the US into major bombing in 1964?

Gulf of Tonkin incident, complex naval event in the Gulf of Tonkin, off the coast of Vietnam, that was presented to the U.S. Congress on August 5, 1964, as two unprovoked attacks by North Vietnamese torpedo boats on the destroyers Maddox and Turner Joy of the U.S. Seventh Fleet and that led to the Gulf of Tonkin ...

Explanation:

democracy

explanation:

a system of cooperative federalism emerged, as the powers of the federal government expanded.