The Soviet Union invaded Korea, after being victorious in Europe, and defeats the Japanese. The USA were interested because they wanted to dismantle the Japanese Empire. ... South Korea was then occupied by the USA. In addition, they established a post-war zone of influence to contain the spread of communism in the world.
The value of the mark after World War I plunged dramatically due to German hyperinflation. Germany printed literally tons of money to pay off their massive war debts to Britain and France, devaluing money until one mark was worth about one-billionth of a United States cent.
