Which type of marital union occurs between people of different social backgrounds?

Exogamy refers to the type of marriage between two people who came from different groups and backgrounds.

This type of marital union can be further classified as follows:
 - Interracial marriage or marriage of two people from different race;
 - Inter-caste marriage for couples coming from different social caste;
 - Interreligious marriage for couples having different religious views;
 - Royal intermarriage for couples coming from two different royal families or dynasties; and
  - Transnational marriage for couple who have different nationalities.

 The type of marital union occurs between people of different social backgrounds is exogamy.

Exogamy includes the following:
-Interracial marriage or marriage of two people from different race;
and
 - Interreligious marriage for couples having different religious views;

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