This article explores the strategy deliberation leading up to Hà N 4i's decision to go to war in 1959, to embark on a "bigger" war in 1963, and to launch the Tet Offensive in 1968. The militants who controlled the party apparatus advanced their agenda for armed conflict in the South at the expense of socialist transformation in the North. While battling their internal opponents, these hardliners also had to navigate the Sino-Soviet split to advance their war agenda. This article reveals that the launching of the Têt Offensive signified the militants' neutralization of domestic opposition and foreign obstruction through the implementation of a mass purge known as the "Revisionist Anti-Party Affair."