Two most important factors were the development of industry and industrialization, and the slave trade. People started accumulating large amounts of wealth due to these two and started investing them in businesses, both personal and by other people. This led to the development of capitalism not only in Europe, but other places too.
I don't think dropping the atomic bomb on Hiroshima and Nagasaki was either necessary or acceptable. Japan was already weakened by the war and it was obvious that it wouldn't be able to fight much more. That's why America had other options to choose from in order to end the war other than the atomic bomb. However, I don't think their dropping the atomic bomb had much to do with Japan - it was just a demonstration of the US power and a threat to other countries in the world not to mess with it - Japan just happened to be the guinea pig. The atomic bomb led to the deaths of more than 200,000 people in Japan, and to dire consequences in Hiroshima and Nagasaki which can be still felt today, over 70 years since the bombing happened.
You should learn about the constitution because it establishes America’s government and basic rights for its citizens.
President Carter condemned South Africa, a place famous for the Apartheid. Apartheid was segregation of Africans in South Africa in favor of the Caucasian citizens who ran the government. Apartheid was extremely racist and people there were treated as if they had no rights at all.
Answer: The answer should be the Danube, the Volga, the Loire, the Rhine and the Elbe
Explanation: Europe is a large region, with several major rivers that connect its many countries!