<a href="https://en.wikipedia.org/wiki/Cold_War" id="mwAWo" rel="mw:WikiLink" title="Cold War">Cold War</a>: In a speech <a href="https://en.wikipedia.org/wiki/John_F._Kennedy" id="mwAWs" rel="mw:WikiLink" title="John F. Kennedy">John F. Kennedy</a> emphasizes that any attack on Berlin is an attack on <a href="https://en.wikipedia.org/wiki/NATO" id="mwAWw" rel="mw:WikiLink" title="NATO">NATO</a>.