In 1899, John Hay introduced the blank, which proposed that all countries should have equal trade access to Chinese markets. This was due to multiple countries establishing blank in a weakening Chinese nation. options are spheres of influence, boxer rebellion, Chinese exclusion act, open door policy
In 1899, John Hay introduced the **Open Door Policy**, which proposed that all countries should have equal trade access to Chinese markets. This was due to multiple countries establishing **spheres of influence** in a weakening Chinese nation.
