Wall Street Crash is the answer I think
The problem with it was that it was not powerful enough to do the normal tasks modern governments do today. They couldn't
1: Couldn't Regulate Trade
2) Couldn't pass Taxes
3) Had only one branch
<span>4. Martin Luther posts the Ninety-five Theses</span>
The policy is known as the "Open Door Policy."
John Hay created this idea in hopes that America and countries all over Europe could trade peacefully with China. This concept was developed in order to protect America's trade interests while also ensuring that no other country would establish a monopoly on trade with China. Within this policy, all countries would agree not to interfere with another country's trade with China.