Hi. You did not present the cover of the magazine to which this question refers, which makes it impossible for this question to be answered. However, I will try to help you as best I can.
A historical circumstance refers to a condition for a historical event to happen, that is, this circumstance is referring to a historical event that caused another historical event of greater impact and proportion. Therefore, to answer your question, you must analyze the cover of your magazine and identify which circumstance, which historical event, which provoked another historical event, this cover addresses.
They may have things that happen similar just different time parts
Amswer is D. With more people in the country. More women needed jobs as they would often just cone to the U.S without someone to marry and would need to go work a job.
