Answer;
The open door policy
Explanation;
Us secretary of state John Hay established the Open door policy which opened China's ports to European trade.
Open Door policy was a statement of principles initiated by the United States in 1899 and 1900 for the protection of equal privileges among countries trading with China and support of Chinese territorial and administrative integrity. John Hay, the secretary of state proposed this policy under president McKinley towards China for all countries.
answer
Explanation:
The sun has heat, and the heat causes the snow to melt because of the sun's tempature.
The ancient Greeks believed that each city-state had one or two gods keeping a special eye on that city-state. The god in charge of Athens was Athena, goddess of wisdom. The city of Athens was named after their special goddess. Education was very important in Athens.
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C. It let to the mass migration of the Indian elite.