Steps the allies took toward planning for the postwar era
Answer: i think it is CCC
Explanation:
Industrial revolution was machinery and scientific was with sciences and new outbreaks of information.
This policy created by John Hay was known as the Open Door Policy.
The goal of this policy would be to allow European countries and America to trade with China on an equal basis. John Hay wanted to ensure that no one country had a monopoly on the trade with China during the early 20th century. Along with this, he felt that the Open Door policy would result in less fights/confrontation between the countries involved in this trade.
