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.
Georgia used "head right system" and "lottery land." Lottery land is when Georgia let Whites 21 years or older spin a wheel and win land. Head Right System is when Georgia picks the "head" male of a family and has gives the "head" the right to earn 1,000 acres of land.
Answer:
In 1924, the Dawes Plan reduced Germany's war debt and forced it to adopt a new currency. Reparations continued to be paid through a strange round robin: The U.S. lent Germany money to pay reparations, and the countries that collected reparations payment used that money to pay off United States debts