Known as the Renaissance, the period immediately following the Middle Ages in Europe saw a great revival of interest in the classical learning and values of ancient Greece and Rome. Against a backdrop of political stability and growing prosperity, the development of new technologies–including the printing press, a new system of astronomy and the discovery and exploration of new continents–was accompanied by a flowering of philosophy, literature and especially art. The style of painting, sculpture and decorative arts identified with the Renaissance emerged in Italy in the late 14th century; it reached its zenith in the late 15th and early 16th centuries, in the work of Italian masters such as Leonardo da Vinci, Michelangelo and Raphael. In addition to its expression of classical Greco-Roman traditions, Renaissance art sought to capture the experience of the individual and the beauty and mystery of the natural world.
President Truman Created the National Security because he wanted to oversee the nation's military establishment which also made the nation security council and separate departments for each branch of the armed forces.
