Answer:
a heuristic
Explanation:
Heuristics are mental shortcuts used by people when finding solutions to problems and when making efficient and hasty decisions and judgments. They shorten the time used in making decision and allows people to make judgments without thinking of their next line of action. Mr. Lee is therefore using heuristics by teaching the students how to use shortcuts (dissecting similar research papers) to achieve writing their own research paper.
It marked the end of reconstruction from the civil war
They will be in the republican party. Hope this helps :) <span />
Maybe to decided whether something is safe or not.