Who did john hay negotiate with to establish the open door policy

John hay negotiate to establish open door policy with: China and the countries with spheres of influence.

At that time, john hay believe that establishing open door policy with these countries would bring economic wealth to united states. Under this policy, United states would be able to trade with china and those other countries without many restrictions such as tariff or quota. This would bring more profit to american producers.

i beleive that d is the right answer