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 British cryptographic office known as âRoom 40â decoded the Zimmermann Telegram and handed it over to the United States in late-February 1917. By March 1, its scandalous contents were splashed on the front pages of newspapers nationwide.