What points did Douglass use to back up his argument that enslaved Americans were indeed human? Were they valid arguments?

In his three narratives, and his numerous articles, speeches, and letters, Douglass vigorously argued against slavery. He sought to demonstrate that it was cruel, unnatural, ungodly, immoral, and unjust.

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hello,

question- which is one way that muslims scholars contributed to the scientific recolution?

answer- well you see in the religion islam the religion muslims practice there was the prophet muahmmed peace be upon him who did good things such as sit in a sertian posotion to use the toilet which then the scientist of this generation later found that it was good for you there are many more things like this.

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