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.
It was at both the Yalta and Dumbarton Oaks conferences that the framework for the United Nations was devised. In 1945, one major war ended and another began. The Cold War lasted about 45 years. There were no direct military campaigns between the two main antagonists, the United States and the Soviet Union. Yet billions of dollars and millions of lives were lost in the fight.
Cold War: A Brief History. Cuban Missile Crisis. On October 14, 1962, a U-2 spy plane flying over Cuba discovered nuclear missile sites under construction. These missiles would have been capable of quickly reaching the United States. President Kennedy convened a small group of senior officials to debate the crisis.