How do political parties affect congress from getting their job done? and what are some examples of that? (parties)

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.

In one to two paragraphs, compare and contrast the american, french, and mexican revolution.

During what century did muhammad recieve his first revelation from god