Korean War vs Vietnam War

The Korean War achieved its primary objective of preserving South Korea as a democratic state, though at the cost of permanent division, with stronger international coalition support and shorter duration. The Vietnam War lasted three times longer, resulted in higher casualties, faced massive domestic opposition, and ended in strategic defeat for the United States. Choose studying the Korean War to understand successful Cold War containment strategy; choose studying the Vietnam War to understand the limits of military power and the cost of prolonged conflict without clear exit strategy.