, what are janissaries?

Ineed with what i should write for my research paper. my topic is history of slavery. 1800 words. all i need is what to write in each paragraphs. like when the research paper has titles for each paragraph and it explains the tile in each paragraph. for example when did slaverh begin? why did it begin like an outline.

Which amendment best addresses the fears of the federalists like james madison,that rights and powers not specifically listed in the consttuition or bill of rights will not be protected in the future

How did people in the 14th century understand black death