Thornton Affair : <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Thornton_Affair" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Thornton_Affair</a><p>Mexico attacked and defeated America.  At first.