Hey there!
Answer: Open Door Policy
<span>The Open Door Policy was initiated by John Hay in 1899 which also allowed the US to benefit from trade with China.
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Thank you!
I believe it’s John Harrington
Answer:
The farmers of Sumer created levees to protect their fields from floods,
and they were a great help in (cuneiform) a version of writing. I am 90% sure this is correct.
Explanation: