According to recent research, ______ and ______ are not interdependent.
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Remarriages are not likely to breakup when there are no step children.
In dual earning marriages both partners are formally employed but only one—usually the male—pursues a career.
With more people cohabiting and even rearing children outside matrimony, ______.
Class, income, education, racial and religious background seem to play an important part in choosing a mate.