Answer:
I'm thinking that Paul revere went and told them
Explanation:
Paul Revere rode on horseback to Lexington where he meet up with another rider. He also had lanterns put in the tower of the North Church in Boston using the code 1 if by land 2 if by sea
1. -Too much food without anyone to buy it
-Wealth is distributed unevenly
-Easy credit-everyone can get it and cant pay it back
-Stock market crash
2. -He followed a hands off policy
-Volunteerism: all Americans join together to combat depression but it didn't work
-Trickle down economics
-Hoover didn't act quick enough
Hope I helped!
The last option: World War II