Unconsciously motivated by miserliness, Mr. Rioja refused to send his son money to buy the books he needs for his college courses. In defending his actions, Mr. Rioja explained that "parental financial aid prevents teenagers from developing into mature, independent adults." Mr. Rioja's explanation is an example of:

This an example of a defense mechanism

Explanation:

He is trying to teach his son that money or anything most of the time won't be handed out it has to be earned

option c

explanation:

strive for superiority

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modern american cars are not available due to trade restrictions