Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Cariye:

"

In the first half of the 19th century, slavery had come to be regarded as morally wrong in the Western world. The liberal Sultan Abdulmejid I, who was affected by these views, included anti-slavery laws among his Westernized reforms, and formally banned the cariye slavery system.[citation needed] This was, however, a formal ban, and in reality, the cariye continued informally until the end of the 19th century.[3]