How did early towns in Europe fit into the feudal system?

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 group was responsible for determining the borders of african colonies and later countries

Which statement best describes why henry adams was beaten