Which event BEST explains the reason why the value of American farmland decreased in the 1920s?

The event possibly could be WW1

Explanation:

During the 1920s, WWI had just ended and many American farmers were left with a continuous cycle of falling into debt as a result for a much lower demand for crops despite production being high. This ultimately led to farmland value to decrease significantly during the 1920s.

Which event that best explains the reason why the value of American farmland decreased in the 1920's is that it was in between World War 1 and the fallout of the Great Depression which dropped market prices and farmer's farm prices :3  

Explanation:

:3

the name of the theory is landmass theory.

geography

this is because warmer climates often don't get people sick from the flu and regions where it was often colder more people received the flu. hope this if you need more reasoning i am here to