I need to know why slavery is wrong? And I need information from the internet or a specific book on slavery! I know slavery is wrong so don't think I don't know why slavery is wrong but it has to be from a site and it has to be backed up! So please tell me why slavery is wrong!:)

Try
HERE (https://www.askmehelpdesk.com/philosophy/why-slavery-wrong-19249.html?highlight=slavery)
And
HERE (https://www.askmehelpdesk.com/government/why-slavery-wrong-63328.html?highlight=slavery)

As you can see this HOMEWORK question has been asked a numbet of times already.