Lee's army had lost to an army of Potomac Indians and because they had lost they thought that they had nothing else to do. Lee's soldiers surrendered and showed that the New World might not have all that they wanted in control.
The US and Soviet Union became rivals because of the differences in which how they were affected after war. They also had great political and economical differences that conflicted their alliation. Even their postwar goals were very different from each others.
The Congress of Vienna brought together the European Great Powers together immediately following Napoleon and France's defeat in 1914. The goal of the Congress was to restore order to the European Continent. The leaders of Britain, France, Russia, and Austria sought to do this through re-establishing the balance of power in Europe to prevent future conflict. Through this "congress" which was in fact a series of informal conversations between the countries leaders led to the establishment of numerous treaties between the Great Powers. As parts of these treaties there were also large territorial redistributions of land amongst the great powers.
The bombing of pearl harbor, and World War I
I think the answer to your problem is Spanish
