Hi OP, to save everyone having to scan the video, could you summarize the points that you'd like verified? Thanks!

Hi there! Not to discourage further answers on this subject, but the Arab slave trade is a fairly frequently discussed topic here. You may be interested in some of these older threads:

https://www.reddit.com/r/AskHistorians/comments/41jgha/in_diarmaid_maccullochs_the_reformation_he_claims/

https://www.reddit.com/r/AskHistorians/comments/3a9ea5/how_brutal_was_the_arab_slave_trade_in_comparison/

https://www.reddit.com/r/AskHistorians/comments/3sfu7q/why_is_their_a_relatively_small_african_diaspora/

https://www.reddit.com/r/AskHistorians/comments/5gv0ug/it_is_estimated_that_a_minimum_of_18_million/