Same-Sex Marriage and Social Norms
In most Western countries, norms have prohibited same-sex marriage, but those norms are now changing.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Same Sex Marriage-02."
http://commons.wikimedia.org/wiki/File:Same_Sex_Marriage-02.jpg
Wikimedia
CC BY.
