... indige - nous population. In 16 1 6 -1 619 an epidemic, possibly of bubonic or pneumonic plague, swept coastal New (40) England, killing as many as nine out of ten. During the 16 30’s smallpox, ... the period 18 7 0 -1 920, Keyssar concentrates on Massa- chusetts, where the historical materials are particularly rich, and the findings applicable to other industrial areas. (15 ) The unemployment ... only. - 63 - (A) Boston, Massachusetts, and Quincy, Massachusetts, adjoining communities, had a higher rate of unemployment for working-class people in 18 70 than in 18 90. (B) White-collar...