Bureau of the CensusThis paper presents an overview of trends in marriage and divorce behavior among the adult population in the United States from the early twentieth century to the present time, focusing on the increasing incidence of marital dissolution through divorce. The discussion includes analyses of the probable causative impact of several types of changes on the stability of marriage: socioeconomic variables generally associated with divorce; overall social acceptability of divorce as reflected by lessened negative economic and social sanctions; and the roles of women in modern American society. The final section is devoted to a brief summation and offers related hypotheses regarding the future of marital stability in this country.

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units of vitamin A per gram. Potencies of 150,000 units of vitamin A per gram have been obtained by lowering the yield of extract. These concentrates have also had removed much of the fishy odor and taste associated with the original oil.Tall oil has been fractionated to yield a fraction with only 1.3% rosin acid and 2.9% unsaponifiable matter, the remainder being fatty acid ester. This process involves the preferential esterification of the fatty acids followed by fractionation with a mixture of furfural and naphtha.