Answer:
developed complex mathematical and calendar systems.
Explanation:
Proven answer from test answer book :D
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.
TVA was not created during the war years
hope that helps.
All of the following were essential to the Soviet defense against the Nazis except "<span>d. Outrage at the German treatment of Jewish minorities in eastern Europe," since the Russians were largely indifferent to this. </span>
