The correct answer to this open question is the following.
You forgot to mention or attach the lenses that you refer to in the question. However, we can answer is general terms.
When we talk about the term "lens" in research, we are referring to a specific perspective to examine the topic at hand or the study. We can use philosophical lenses, economic, organizational, social, or psychological theories.
So we do not what lens you chose, but whatever your choice was, this lens might change how you approach researching your topic, thus affecting the historical narrative, because that particular approach is going to offer you different sources, authors, perspectives, and research lines to be followed. Your historic narrative would suffer modifications because you will have so many approaches to include in your research.
Peers, advice, physical exercise, assistive technology
Destroyed idols in Kaaba, rededicated Kaaba to Allah
Addressing problems that had led to the war
Coming up with ways to prevent future wars
Creating a League of Nations peace organization
It was the "Smoot–Hawley Tariff Act" that was a disaster because when European nations responded with tariffs on American goods global trade plunged by roughly two thirds
<span> from 1929 levels.</span> This was viewed as exacerbating the Great Depression.
