Was led by the united states
I thinks it’s either C or D. I’m not sure!
America's presence in world affairs would decrease
Answer:
Wheat reached a peak for the last 16-month period on July 18, 1929, when the price was $1.40 cents a bushel,4 and dropped to a low of $0.96 on March 15, 1930—a decline of 31.4 per cent.