Nuclear bombing of the Japanese cities of Hiroshima and Nagasaki were two of the most striking and shocking moments in twentieth-century history. In addition to marking the end of World War II, the terrible events on Japanese soil impacted Japanese society, relations between countries, and the way the world's population came to view international conflicts. In the items below you understand the reasons of such impact on world geopolitics.
Depending on the time period, America had a difficult time remaining neutral for several reasons.
World War I
America had a difficult time remaining neutral during World War I because of Germany's actions. For example, the German submarine sank the Lusitania, a boat that contained over 100 American citizens. Along with this, the Germans were also caught trying to make a secret alliance with Mexico. This was exposed when the Allied powers intercepted the Zimmerman Telegram. Considering these factors, the government felt the US had no choice but to break their neutrality and enter World War I.
World War II
The US had a difficult time maintaining neutral in World War II due to the violence and rise of dictators like Hitler. Along with this, the US was also attacked by the Japanese military. The Japanese military bombed Pearl Harbor on December 7, 1941. This attack on a military base prompted the US to break their policy of neutrality in order to enter World War II.
The opportunity cost is the value of the next best alternative foregone. Every decision necessarily means giving up other options, which all have a value. The opportunity cost is the value one could have derived from using the same resources another way, though this is not always easily quantifiable.
Poor people. Serfs I believe their called but not 100% sure. But yea the rich 1 percent came from them. Most of the population was comprised of poor people unlike he middle class today.