And it was also a failure of secure communications, though this time it was a combination of quasi- insider/ definite outsider threat. Those cheeky Brits, playing both ends against their middle... In January/February of 1917, World War One reached a tipping point.German Foreign Secretary Arthur Zimmerman sent a note to his Ambassador in Mexico City. The Zimmerman Telegram, which made it easier for Wilson to get Congress to declare war on Germany, after Germany resumed unrestricted submarine warfare...