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 second was the Zimmermann Telegram. In early 1917, Germany sent Mexico a coded message promising portions of U.S. land in return for Mexico joining World War I against the United States. The message was intercepted by Britain, translated, and shown to the United States.hare. World War I was an extremely bloody war that engulfed Europe from 1914 to 1919, with huge losses of life and little ground lost or won. Fought mostly by soldiers in trenches, World War I saw an estimated 10 million military deaths and another 20 million wounded.