I think his answer is right
The Warsaw Pact Alliance was established by European communist nations.
Was first proposed by Thomas Jefferson.
Answer is A. The French and Native Americans were pushed further west into Oregon Territory.
Feudalism worked easy because it was a system that worked from top to bottom. At the top you had the King which provided money for the Nobility that provided troops and protection for the king. Then the Nobility would bestow the land to his knights that would give the land to the peasants and they owned the land and farmer on it. The knights would provide military service for food that they farmed.