a. Negotiations were carried on between the president and Khrushchev. By the end of November the missiles had been shipped back to the Soviet Union, the United States had lifted the quarantine, and the month-long crisis had abated. In 1963, clashes between the police and demonstrating blacks in Birmingham, Ala., and elsewhere, especially in the South, induced the president to stress civil rights legislation. Kennedy's new civil rights message included bills to ban discrimination in places of business; to speed up desegregation of public schools; and to end discrimination in the hiring of workers on federal construction projects.An agreement to set up a Teletype link between Kennedy and Khrushchev was signed in June 1963. This limited, but promising, achievement was intended as a precaution against war by accident or miscalculation.The president also paid increasing attention to strengthening the North Atlantic Treaty Organization (NATO). Visiting Europe early in the summer of 1963, he conferred with government leaders in West Germany, Italy, and Great Britain. In West Germany, the president pledged that United States military forces would remain on the European continent. Kennedy also visited Ireland, from which his great-grandparents had emigrated to the United States.A limited nuclear test ban treaty was signed by representatives of the United States, the Soviet Union, and Britain in the summer of 1963. The agreement permitted underground nuclear tests, and signatory nations could withdraw after 90 days' notice. Kennedy called the treaty a "victory for mankind."Mrs. Kennedy gave birth to her second son, Patrick Bouvier, on Aug. 7, 1963. Born prematurely, the infant died after only 39 hours of life.In November, looking forward to the 1964 presidential election, Kennedy made a political visit to Florida and Texas, the two most populous Southern states. His wife, Vice- President Johnson, and Mrs. Johnson accompanied him on the Texas trip...