Answer:
WW2 then resulted from the actions of numerous dictators as well as the NON-action of national leaders representing major world powers. Then the Cold War immediately followed, between the democratic and capitalist “United Nations” backing the United States and the Soviet Union backing communism everywhere.
Before the Civil War, gold backed the government bills and currencies. The correct option among all the options that are given in the question is option "c". After the Civil War, currency notes were issued. I hope that this is the answer you were looking for and it has come to your help.
With science the Indian people made an Iron Pillar, which was one of their cultural advancements. (Hope this helps!) :)