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...
Zimmerman Telegram. March 1917. Sent from German Foreign Secretary, addressed to German minister in Mexico City. Mexico should attack the US if US goes to war with Germany (needed that advantage due to Mexico's promixity to the US). In return, Germany would give back Tex, NM, Arizona etc to Mexico.