Answer:
This quote refers to the fact that the fall of the Roman Empire can not be linked to a single event, but rather relied on a number of cumulative events. For instance, many point to the invasion of Germanic Tribes from the North as causing the end of Rome. In reality, by that time Rome had undergone a series of internal and external crises such as Persian attacks in the East, civil upheaval surrounding the rise of Christianity, and the abuse of power by emperors and their followers. In the end, it was a little bit of all of these problems that contributed to the fall of Rome.
Our reasons were racial, anti-imperialist, land claim specific, and practical. The goal of the United States was not to conquer another country, but to simply add to its territory, expand westward (primarily) and fulfill the goal of manifest destiny
On June 25, 1950, the Korean War began when some 75,000 soldiers from the North Korean People's Army poured across the 38th parallel, the boundary between the Soviet-backed Democratic People's Republic of Korea to the north and the pro-Western Republic of Korea to the south.
