Cold War World Map: Strategic

The use of nuclear weapons grew through the 1950s and 1960s to encompass the entire. Henry Kissinger has been noted that the spread of such destructive weapons led to "Mutually Assured Destruction" or MAD.

Source: Willima J. Duiker and Jackson J. Spielvogel World History (New York: West Publishing, 1994), p. 1034.