Answer :
Final answer:
To narrow research on the major events of the American Revolution, focus on the role of women during that time period and their contributions.
Explanation:
One key question that would best help the student to narrow their research on major events of the American Revolution is: What role did women play in the American Revolution?
This question establishes a specific subject matter (women) and time period (American Revolution) while guiding the research focus towards women's active involvement during the war and its impact.
For further specificity within the topic, the student could narrow down by location or individual, for example, examining the contribution of a particular woman like Mercy Otis Warren.
Learn more about American Revolution here:
https://brainly.com/question/41429425