What disease did edward jenner create a vaccine to prevent?

All i need is an outline i need with getting started with a research paper. i need with an outline for history of slavery. i don’t know how i should start it end. i need with an outline.

Which best describes the influence of the national revolutionary party on mexico after the revolution?

What is political gerrymandering, what does is accomplish, and why might legislators use this tactic in redistricting