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

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;

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.