Answer:
It allowed all countries equal trading rights with China
It tried to protect China from unfair European trading practices.
Step-by-step explanation:
The policy was proposed by John hay in 1899. It states that all powers with spheres of influence (Great Britain, France, Germany, U.s, Japan) would respect equal trading opportunities with china and not set tariffs to give an unfair advantage to the Chinese citizens. This was not good enough for China and another rebellion against the West would begin.