Lack of sleep can cause some of the same symptoms as depression -- extreme tiredness, loss of energy, and difficulty concentrating or making decisions. In addition, untreated depression may result in weight gain or loss, feelings of hopelessness and helplessness, and irritability.
Conflicts of national interest caused the World War II alliance between the United States and the Soviet Union to be replaced by a Cold War that lasted 45 years. Initially a dispute over the future of Europe, it grew to include confrontations around the world.
1953 World Map of alignments. The Cold War (1947â1953) is the period within the Cold War from the Truman Doctrine in 1947 to the conclusion of the Korean War in 1953. The Cold War began almost immediately following World War II and lasted through most of the 20th century.953 World Map of alignments. The Cold War (1947â1953) is the period within the Cold War from the Truman Doctrine in 1947 to the conclusion of the Korean War in 1953. The Cold War began almost immediately following World War II and lasted through most of the 20th century.