The constitutional convention happend
It made Americans look at the worlds people like they were the same as everybody else.
It makes it so you are forced to not pass a bill because it is blocked for longer than the window to be able to pass the bill.
Answer:
The Boxer Rebellion occured because many European contries were selling illegal drugs like opium to Chinese citizens. A group of Chinese citizens formed and became the Boxer Rebellion. They fought against the marketing of drugs like opium and heroin that were being widely sold and bought in China.