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.
The Origins of the Cold War involved the breakdown of relations between the Soviet Union versus the United States, Great Britain and their allies in the years 1945â1949. From the American-British perspective, first came diplomatic confrontations stretching back decades, followed by the issue of political boundaries in Central Europe and political non-democratic control of the East by the Soviet Army. Then came economic issues and then the first major military confrontation, with a threat ...