The answer is D all of these
Answer: Classical conditioning
Explanation:
Classical conditioning is defined as the learning mechanism in which pairing of two stimulus is done.A strong stimulus is combined with previously objective stimulus to make a relationship between them.
According to the question , crying of Brandon while seeing popping or bursting of balloon is the learned mechanism through classical conditioning .
U.S. Custom Service will fall under Illegal Immigration Control, or whatever name it qualifies under.
Federal Protective Service will be under the United States Marshal Service.
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