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 cold war was a pivotal era in the twentieth century. The term cold war itself, popularized in a 1946 speech by prime minister Winston Churchill of Britain, describes the ideological struggle between democracy and Communism that began shortly after the end of World War II and lasted until 1991.