America as World Power


Both George Washington and Thomas Jefferson warned against permanent entangling alliances. Yet, as the United States grew economically, and as challenges to domestic security arose from abroad, America’s role on the world stage changed dramatically. Over the course of the 20th century, America grew to become the preeminent global power.


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Thomas H. Conner is the William P. Harris Professor in Military History at Hillsdale College. He received his B.A. from Elizabethtown College and his M.A. and Ph.D. from the University of North Carolina.