2. The dramatic rise in births between 1946 and 1964 is known as the "baby boom. Which is true of the baby boom generation? A It was common for young baby boom couples to have five or more children. B The availability of medical services will not be affected by aging baby boomers. C The surge in population of older American will strain Social Security benefits D Experts predict that by 2050, half of all Americans will be 65 or older.