In general, which best explains why communist revolutions did not happen?
workers were too tired and poor to revolt.
moderate socialists were less radical
capitalist governments enacted reforms.
workers were not convinced they would work.

the answer is "by providing data about careers and annual mean wages"

where is the cartoon dude

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.