motor neuron, one of various efferent nerve cells that transmit nerve impulses from the brain or from the spinal cord to muscular or glandular tissue. According to location, some kinds of motor neurons are the peripheral motor neurons and the upper motor neurons. Also called motoneuron.
The Zimmerman telegram probably had a peripheral effect on breaking the isolationist sentiment in the US in WWI. Relations with Mexico were strained already (Veracruz was occupied) but once Huerta was gone, the Mexican neutrality in the World Wa...
The Zimmermann Telegram helped change public opinion in the United States away from isolationism and toward joining World War I with the Allies. The Full Text of the Zimmermann Telegram. (Since the coded Zimmermann Telegram was originally written in German, the text below is a translation of the German message.). We intend to begin on the first of February unrestricted submarine warfare.