The idea that the people in a territory should vote regarding the issue of slavery is called?

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.

Here’s the first one let me send the next page of the passage

What is the main idea of this excerpt? 1.1.3