The Monroe Doctrine simply stated that the west will not interfere with the affairs of Europe as long as they didn't interfere with us. This enabled us to be able to deal with the smaller countries and help them reform their government. The Monroe doctrine allowed the United States to become "protectors" of the smaller countries in the western hemisphere.
Answer: the empire began to split due to wars over succession, as the grandchildren of Genghis Khan disputed whether the royal line should follow from his son and initial heir ogedei or from one of his other sons.
Explanation:
The alliance in which the United States were included and which promoted their interests and their protection was the NATO.
The alliance in which the Soviet Union was included and which promoted their interests and their protection was the Warsaw Pact.
These two organizations were primarily military organization. They had to purpose of securing their interests and protection from their rivals.
NATO was consisted of the USA, UK, France, Australia, Canada, pretty much the so called Western countries.
The Warsaw Pact was consisted of the USSR and all of the Eastern European fellow communist countries.
