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...
How much influence did the Zimmerman Telegram have? [duplicate] I think conventional wisdom holds that the U.S. entered World War I specifically because German submarines had sunk seven of its merchant ships. In his address to Congress on April 2, 1917 President Wilson referred to those incidents, but not to the Zimmermann telegram.