In the early 17th century, East Asia was engulfed in turmoil. Even before the scars of the Imjin War had healed, the Jurchens' Later Jin dynasty rapidly rose in the north, challenging the hegemony of the Ming dynasty. Caught in the midst of this perilous fault line, Gwanghaegun, the 15th king of Joseon, was forced to make truly desperate choices. His policy, often referred to as 'neutral diplomacy,' was it an outstanding pragmatic choice that saved a nation on the verge of collapse, or a faithless betrayal that abandoned the 'debt of re-creation' (재조지은) to the Ming dynasty? Since history is always written by the victors, Gwanghaegun's diplomacy cannot be fully understood through a simple dichotomous evaluation.

Gwanghaegun's situation was a true dilemma. The nation's land was devastated by the Imjin War, its people suffering, and national power was at rock bottom. In this context, the Ming dynasty constantly demanded military assistance to counter the Later Jin. In 1619, Joseon forces dispatched to the Battle of Sarhu suffered a catastrophic defeat alongside the Ming army. The "Gwanghaegun Ilgi" (Annals of Gwanghaegun) vividly records Minister of War Yi Hang-bok stating, "Our national power is now exhausted; we cannot mobilize even a single soldier." Gwanghaegun was caught in a dilemma where he could neither refuse Ming's demands nor blindly comply. He recognized the reality that pursuing only principles could lead to the complete destruction of the nation.

The essence of Gwanghaegun's diplomacy is encapsulated in the instructions given to Commander-in-Chief Kang Hong-rip when he was dispatched. According to the "Gwanghaegun Ilgi," Gwanghaegun gave Kang Hong-rip a secret message: "Observe the situation and decide whether to advance or retreat." This was an extremely pragmatic order: to assist Ming, but if the tide of battle turned unfavorable, to surrender to the Later Jin to minimize Joseon's military losses. It was a desperate measure to protect the lives of his people and the nation's survival by formally maintaining loyalty to Ming while practically avoiding an all-out war with the Later Jin. This was a sophisticated diplomatic tightrope walk between principle and pragmatism, almost the only survival strategy Joseon could have adopted at the time.

However, this pragmatic diplomacy directly clashed with the Neo-Confucian ideology of principle that dominated Joseon society. The literati, steeped in the 'sadae' (serving the great) ideology of revering Ming as the 'parent nation,' vehemently criticized Gwanghaegun's policies as 'baemyeong' (betrayal of Ming) and 'surrendering to barbarians.' In particular, the Western Faction (Seoin) used Gwanghaegun's dethronement of his mother and murder of his brother, along with his foreign policy, as major justifications for the Injo Restoration. To them, Gwanghaegun was not merely guilty of diplomatic blunders but was a 'tyrant' who shook the foundations of Confucian ethics and the nation itself. The preface to the "Injo Sillok" (Annals of Injo) explicitly criticizes Gwanghaegun for "violating heavenly principles and betraying Ming."

Ultimately, Gwanghaegun's neutral diplomacy became one of the decisive reasons for his dethronement. But can his pragmatic choices truly be dismissed solely as 'betrayal'? Looking back at the history of the Korean Peninsula, constantly embroiled in the power struggles of great nations, Gwanghaegun's diplomacy transcends a mere past event. It illustrates the anguish and resolve of a leader who, for survival, sometimes had to set aside principles and endure criticism. How do we define national interest in today's international relations, and what values should we prioritize? Gwanghaegun's neutral diplomacy goes beyond simple historical facts, posing a timeless, fundamental question about national survival versus values that we must continually ponder. Regardless of whether his diplomacy 'succeeded' or 'failed,' it serves as a mirror, asking us: 'What is truly the path for the nation?'