This plan is known as the Open Door Policy.
This idea was introduced by Secretary of State John Hays in 1899. The goal of this plan was to ensure that all nations had the ability to trade with China. Even though this plan referred to the ability of all nations to trade with China, the real reason behind its development was the fear of the US government being blocked out of trading with China by European countries.
I think it's the president xd
So that there isn’t one department that is lacking.. with all the departments everything can be handled successfully.
Your answer to this question should be: Great Britain