Well, that's mostly because the UK, did something almost no one ever did before and not only abolished slavery (something most Cristian kingdoms did by themselv

Well, that's mostly because the UK, did something almost no one ever did before and not only abolished slavery (something most Cristian kingdoms did by themselves) but even took a step further and went to war to prevent it from continuing. Sure, you don't see countries with a very, very long history of slavery like most Arab nations, or India, or most of the descendants of African kingdoms, paying debt they contracted to end slavery, because they couldn't care less about ending it, and even went to war against Britain to continue practicing it. https://www.historic-uk.com/HistoryUK/HistoryofBritain/Britains-Role-Ending-Slavery-Worldwide/ https://www.historic-uk.com/HistoryUK/HistoryofBritain/Brita...