A. The railroad linked these cities to the rest of the country.
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.
agriculture, population, and organization pressure
Many Greek city-states encouraged migration to areas outside of Greece during the 8th and 7th centuries B.C. in order to <span>ease discontent caused by a maldistribution of land and an increase in poverty. The correct option among all the options that are given in the question is the fourth option or option "D". </span>
