The development that probably hurt it is the reduction of open range herding. In history, people could just let their cattle roam freely and find food since the plains were huge and nobody lived in them. Nowadays, this can be problematic because there are more and more people and settlements and roads with cars so free range herding has been drastically reduced which cost the herders a lot.
I believe the correct answer would be green arrow
hope this helps
Answer:
B - prices that farmers could get for their crops dropped significantly
Explanation:
haha they deleted it bc i had no explanation, i just remembered that from when i learned abt the great depression. all the prices for everything dropped so the farmers couldn't sell their crops for as much