Thomas gained a lot of weight because he was eating too many sweets. a psychologist suggested to thomas that he pair the pleasant taste of sweets with the taste of something he finds unpleasant. so, thomas put broccoli, which he hates, in his ice cream, cake, and pie. he now feels nauseated at the sight of dessert and avoids eating it. this technique is known as?

The correct answer is aversion therapy or aversive conditioning. 

Aversion therapy or aversive conditioning refers to a technique through which individuals learn to give up a harmful or undesirable habit when engaging in the habit is paired with a negative or aversive effect. Aversion therapy is commonly used to treat substance abuse, wherein, using a harmful substance is combined with an unpleasant response (such a nausea) so that gradually, the desire to use the harmful substance is diminished.

Accumulating more land so that your country can continue expanding without running into problems such as overpopulation

Idisagree because it would have harmed our whole society. starting from the madness of the civilians to the mass destruction of towns.