The first-of-its-kind civil union has led to an outcry from religious groups, too. Those who fear the "slipperly slope" feel the ground moving underneath their feet.
"The institution of family cannot be defended with the approval of actions that seek to distort its definition," the religious, conservative Plinio Correa de Oliveira Institute said in a statement.
"The purpose of this (union) is not to build families, but to destroy them."
MORE: http://www.cnn.com/2012/08/31/world/americas/brazil-polyfaithful-union/index.html
