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.
President Harry S. Truman signs the National Security Act, which becomes one of the most important pieces of Cold War legislation. The act established much of the bureaucratic framework for foreign policymaking for the next 40-plus years of the Cold War. By July 1947, the Cold War was in full swing. The United States and the Soviet Union, once allies during World War II, now faced off as ideological enemies.