The force driving behind European Imperialism in Africa was when the Europeans took advantage of advances in technology to enhance their ability to acquire resources from Africa.
Yes, it is true that North Korea has been actively developing and testing nuclear arms for the last decade, since most of their facilities and tests are easily traceable.
The 1819 Panic was the first financial crisis in the U.S which brought about a conflict between the members of the Democratic-Republican party. This was because the Northern industrialist wanted high tariffs compared to the southern plantation who were not for the idea. This is all I know about that.
