Global warfare refers to the large-scale conflict that transcends national boundaries, involving multiple countries and impacting various regions around the world. This concept encompasses both the physical battles fought on land, sea, and air, as well as the economic, political, and social ramifications that arise from such conflicts. The phenomenon of global warfare became particularly prominent in the 20th century, with events like the World Wars showcasing how interconnected nations could influence each other's fates, highlighting calls for reform in military strategies and international relations.