False. The USA and Canada are high-income countries, but African colonies are still economically developing right now.
I would say technology? New medicines.
Karl Marx believed that capitalism would eventually stagnate due to contradictions and will eventually lead to socialist policies. He also thought that the only way capitalism could be overcome was via revolution. (As Marx thought everything else should be settled by)
the electoral college works by having 2 senates for each state and then the amount of representatives based on how much population they have.