Throughout history, diplomats have engaged in negotiations to advance their nation’s interests. These diplomatic relations are structured and shaped by power dynamics, international law, cultural influence, and even philosophical differences. Understanding these power structures and philosophical underpinnings helps to explain why diplomacy unfolds as it does. For example, achieving universal agreement on global sustainability goals requires more than technical solutions; it calls for a fundamental shift in people’s values and worldviews, which diplomacy can reflect and, potentially, help shape.
Diplomacy involves many kinds of interaction, from small meetings between direct neighbors to large conferences that gather dozens of leaders and thousands of professional diplomats. The most common form of diplomacy is bilateral—negotiating agreements that address specific trade or border issues with individual foreign nations. More recently, the United Nations and other multilateral fora have developed sophisticated methods to handle more complex diplomatic interactions. These include committees, sub-committees, and semi-official hierarchies that group states together based on geographic or economic proximity.
Despite these complicated and time-consuming strategies, the basic nature of diplomatic relationships remains unchanged. The core of diplomacy is the human element — establishing trust, building alliances, and defusing tensions. Understanding how these factors play out, consciously or unconsciously, in the complex arena of international politics helps to make sense of why diplomatic processes go as they do. They are shaped by the same principles that underlie everyday social interactions, and behavioral science can offer insights to guide future negotiations.