The Historical Alternation of Moods in American Foreign Policy

There seems little doubt that the defense and strengthening of the “free world” in our time depends largely upon American leadership. Confidence that America will continue to play this role in world affairs is weakened by the memory of America's political isolation following World War I, and by certain currents of American opinion noted by observers since World War II.1 Barbara Ward warns the peoples of the West that “we shall certainly fail unless our effort is at once sustained, calm and supremely positive.”