The first main event that helped to redefine the social and economic characteristics of America during the latter half of the nineteenth century was the Civil War, which brought about an end to the slave economy in the South, while the second was Reconstruction in the South.
The correct answer is rapid industrialization
Those who had the wealth to enter the business got even more wealthy because they could exploit a system that wasn't yet monitored or regulated because it was new. Those who were simple workers became even poorer because their labor was being exploited by monopolies and cartels made by the wealthy businessmen.
Answer:
I think that the answer is B. To develop plans or post-war Japan.
Explanation:
It appears to be the only one that applies to the Potsdam Conference
