Answer:
I'm not sure about question number 1 but number 2: It was dubbed "The Cold War" because neither United States or the Soviet Union declared war. Hope this helps :}
In the period of industrialization, it was easier to harvest crops so supply went up and demand stayed the same causing prices to drop. The "newly" freed slaves also started farming, increasing the supply.
Louis XVIII became the King of France after Napoleon was exiled.
The open door policy was received with almost universal approval in the united states and for more than 40 years it was a cornerstone of america foreign policy in east Asia.
