Better nutrition
________ and food hygiene were a big part of the decline in infant mortality by 1900.
Electricity
________ was a big thing since they found power.
nineteenth century
Throughout most of the ________, marriage was viewed as the only honorable career available for most women and was a matter of economic necessity.
pasteurization of milk
The ________ reduced intestinal disorders that had been a major cause of infant deaths.
Europe
Between 1846 and 1932, probably 60 million Europeans left ________, half of them bound for the United States and most of the rest for Canada or Latin America.
growth of industrial production
The ________ depended on the development of markets.