I believe the answer is Dred Scott
It was composed of war captives and Christian youths pressed into service; all the recruits were converted to Islam and trained under the strictest discipline. It was originally organized by Sultan Murad I. The Janissaries gained great power in the Ottoman Empire and made and unmade sultans.
False back then African Americans were not even allowed to read so how could they petitoned ? they were punished for knowing how to read if found out.
