The United States and National Security, and Dominant Party in Balance of Power The emergence of the United States as a dominant party in balance of power equations is a relatively new phenomenon in world history. New military technology coupled with increased global integration has allowed the United States to reinvent the fundamental assumptions of international diplomacy while propelling itself to the top of the hegemonic stepladder. This positioning was achieved piecemeal during the course of the first two world wars, but it wasn't until the deployment of the atomic bomb that the U.S.. assumed its position as a true su