What Role Should the U.S. Play in World Defense? What role should the United States play in World Defense? To some, this may seem like a simple question to answer, and to others it may be a question that can be debated and talked about for hours at end. This question which I am dealing with has probably come up several times in this century, especially in the last fifty(50) years or so. First of all, let me start out with some statistics and facts that may startle you, or maybe not. The first piece of information that I will provide you with is the annual amount of money that our country spend