Williams syndrome: A genetic disorder characterized by mild mental retardation, unique personality characteristics, unusual facial features, and cardiovascular disease. The level of calcium tends to be high in blood (hypercalcemia) and urine (hypercalciuria).
Long March: Long March, (1934â35), the 6,000-mile (10,000-km) historic trek of the Chinese communists, which resulted in the relocation of the communist revolutionary base from southeastern to northwestern China and in the emergence of Mao Zedong as the undisputed party leader. Fighting Nationalist forces
Read the following selection by Edgar Snow (1905-1972), an American journalist who traveled to meet Mao Zedong (1893-1976) in his northern China stronghold at Yenan, and Mao's poem on the Long March and note how: