One of the drawbacks of using unobtrusive measurement techniques in a study could be

In China, Mao Zedong implemented an economic policy where the state controlled all economic activity. This type of economic policy is an example of __________

A) laissez faire B) capitalism C) central planning D) mercantilism

With what kind of governments do American relations tend to run smoothest?

  a. theocracies  b. autocracies  c. oligarchies  d. democracies