Please help me before 4:00 p. m.! Two rival political systems that came into conflict after World War II were and . Their opposing economic systems were and . The Soviet Union had a form of government and an economic system based on . United States was a with an economic system based on .

Which four of these developments were made under mongol rule during the pax mongolica? the extension of the grand canal in china the spread of christianity the spread of weapons that used gun powder the invention of new medicines the establishment of a postal system the invention of geometric models of lunar motion

What are economic systems and how do they differ?

Compare how one's social status affect his or her opportunities in ancient greece and rome?