Rational-choice theorists argue that behavior cannot be predicted. (True or false?)

Rational-choice theorists argue that behavior cannot be predicted.
 
  Indicate whether this statement is true or false.

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India's democracy appears to defy expectations based on Modernization theory.
 
  Indicate whether this statement is true or false.

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The political systems model was devised by David Easton.
 
  Indicate whether this statement is true or false.

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In principle, democratic socialism could be achieved in all these ways EXCEPT
 
  a) the ballot box. b) a bloody revolution. c) minor adjustments to the current capitalist system. d) a bloodless revolution.

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Karl Marx called the ruling class the proletariat.
 
  Indicate whether this statement is true or false.