The losses in the Middle East were staggering: the war not only ravaged the land and decimated armies, it destroyed whole societies and economies. In this way, the experience of World War I in the Middle East is perhaps more akin to the experience of World War II in Europe.
Francisco Franco survived World War II and held power until his death in 1975.
Zimmermann telegram- Nothing like negotiating with a neighbor to invade their front lawn.
Unrestricted submarine warfare- Sinking ships owned by the US constantly is already making us angry.
and the sinking of the Lusitania- Now this wasn't the final straw but it did indeed shake US support for Germany and caused outrage all over the USA.
I think it might be jack-o-lantern