Pregangliotic neurons of the sympathetic division of the autonomic system originate in the thoracic and lumbar (thoracolumbar) levels of the spinal cord and send axons to sympathetic ganglia, which parallel the spinal cord.
The great confrontation we came to call the Cold War had quite suddenly become the next stage of world history. What began in Iran in 1946 lasted for 45 years, until the dissolution of the Soviet Union in 1991.
It is, however, quite safe to say that since 1947 when President Truman of the United States declared an anti-communist policy, the Cold War between the United States and the Soviet Union had begun. Throughout the 1980s, the Soviet Union fought an increasingly frustrating war in Afghanistan.