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...
Updated November 24, 2016. The Zimmermann Telegram was a note sent in 1917 from the German Foreign Minister Zimmermann to his ambassador in Mexico, containing details of a proposed alliance against America; it was intercepted and published, strengthening US public support for war against Germany as part of World War One.