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.
Answer:
"A Vote for Every Woman in 1920!" declared the National American Woman Suffrage Association after the passage of the 19th Amendment by Congress on June 4, 1919. To achieve that goal, the legislatures of 36 states would have to ratify the amendment within the next year or so.
Explanation:
On February 16, 1861, in San Antonio, Texas General David E. Twiggs surrendered all federal holdings to a huge army of rebels. All military posts were vacated and all properties were seized by the secessionists. As a condition for the surrender, General Twiggs and his troops were allowed to leave with their horses and arms.