Edited sentence: Another thought is that single women (especially mothers) fulfill a desire for financial protection in dependence on government (i.Groups that usually do not have children (i.However, in Canada, income was found to have no impact on the political marriage gap.Married women, on the other hand, fulfilling it through interdependence with their husbands.The most consistent is the family values hypothesis.There are several schools of thought as to the causes of the political marriage gap.This states that married parents are less likely to support a party whose policies make it harder to shield their children from cultural influences which they perceive to be corrosive.welfare, Social Security, etc.young people, homosexuals, and cohabitating couples) do not share this concern