Which book did jahannes gutenberg print on his printing press

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.

I’m annoyed but glad that my history teacher left and quit her job as a teacher to become a flight attendant

Which word most closely describes the type of government in edward bellamy’s looking backward