The answer is C. Ottoman Empire . Hope this helped
Indentured servitude differed from slavery in that it was a form of debt bondage, meaning it was an agreed upon term of unpaid labor that usually paid off the costs of the servant's immigration to America. Indentured servants were not paid wages but they were generally housed, clothed, and fed.
It's true i just learned this
It had resulted in Hitler spending a year in prison.