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The baby boom is what Americans call the period between 1946 and 1964, when the number of births in the United States increased sharply. Population experts say a law helped create the baby boom. The law gave soldiers who served in World War II and the Korean War the financial support they needed to start families. It also provided education, loan guarantees and other assistance for former soldiers. Millions received education and bought homes through the plan. The phrase baby boom describes more than just population growth. It also describes a period of change in American culture. Many baby boomers were less conservative than their parents. During the 60s and 70s, these young people had their own ideas about sex and drugs. Baby boomers also became politically active. Some fought in Vietnam. But others protested the war, or found ways not to serve. America continues to feel the political and social effects of the baby boom.