Its actually a very demonic history friend. Islamists were the original slave traders from back in the day, although they originally dealt in slaves from eastern europe, but eventually became major slave traders in Africa. Many slaves they bought and sold ended up all over Europe, Asia, and the Americas. Islam essentially felt anyone that was a nonbeliever could make an adequate slave.
Ironically though they generally bought and sold slaves sold to them by various african kingdoms. Slavery was very prevalent in Africa at the time, so it wasn't uncommon for african kingdoms to sell slaves to Arab traders to be sold in other parts of the world.
Imma stop you right there, Islam did not feel anything, people did. The slavery started before Islam existed, hence bilal being enslaved when Mohammed hadn't even emerged yet. The Arabs Identified themselves as pagan and Jewish.
Yall do know that it was the same type of dudes in your avi that was doing the slaving right? I'm sure you do. So you know that this type of slavery was much different than chattel slavery. Arabs and Islam are not synonymous either, arabs were enslaving before Islam when they were pagans. The Qur'an was set up in a way that, if followed, would've eventually eliminate slavery forever. The first arabs also looked exactly like the people they were enslaving.. they became the red arabs after procreating with harem girls and slaves from europe. That alone should tell you that this slavery is much different and more similar to the slavery that was going since time immemorial.
shyt is a complex topic and shouldn't be compared with chattel slavery. Most people like to superimpose that slavery with the slave trade of the Arabs. They were traders by nature, people wanted slaves so they traded something that was already there that people already wanted.