What was the tet offensive? a. an american military strategy b. a surprise attack by the north vietnamese c. a south vietnamese strike on the north d. a battle between the viet cong and viet minh

B. a surprise attack by the North Vietnamese

Explanation:

The Tet offensive was a military operation planned by the government of North Vietnam and executed by the North Vietnamese Army and the Vietcong in 1968, against the US-led allies, especially the Army of the Republic of Vietnam (ERVN) , Army of South Vietnam), during the Vietnam War.

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers

the  wilmot proviso  was designed to eliminate  slavery  within the  landacquired as a result of the mexican war (1846-48). fearing the addition of a pro-slave territory, pennsylvania congressman david  wilmot proposedhis amendment to the bill.