To understand Trump, one must look beyond his business background—his influence extends far beyond his presidential term. His leadership reflects a greater shift in America's global role in the post-Cold War era. To predict his next moves, attention must be paid to how the U.S. adapts to the global power shift, rather than just analyzing his past business strategies. History shows that great presidents prioritize diplomacy over military power. Will Trump take this path, or will he adopt a different approach?