What was the foreign policy of containment designed to prevent?

Which one of the following is not an objective widely accepted by LDCs states?

a. political-economic independence b. political-military nonalignment c. political-social unity d. economic-social modernization

According to your text, what is probably the most commonly cited disadvantage of using laboratory experiments to learn about human behavior?

a. because they tend to be done in highly controlled settings, their results may not be generalizable to the real world b. with their mechanistic approach to human behavior, they ignore the participants' thoughts and emotions c. operational definitions reduce the abstract concept to a trivial level, making broad interpretations difficult at best d. because they tend to use other species, the results are usually irrelevant to human behavior