Actually, it's worse than that. One could argue they've effectively endorsed slavery. The UN Human Rights Council (UNHRC) has just voted to appoint Mauritania as its Vice-President for the next year. 

Mauritania, although all-but ignored by mainstream human-rights groups, is a country that allows 20% of its citizens, about 800,000 people, some as young as 10, to live as slaves.

The United Nations Human Rights Council: setting the standard.