Answer:
The term international system may refer to: In politics, international relations It is the global constellation of states. The term is commonly applied to the international systems of the Twentieth century and can equally be applied to pre industrial international state system.
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Answer:
The colonies did not abolish slavery after the Revolutinary War was because the United States economy depended on slave labor, and lawmakers did not want to dismantle the economy.
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Answer: Positive reinforcement
Explanation:
Positive reinforcement is defined as the act of providing reward or something else if the desired behavior or action is performed by any person .This strengthens and increase the chance of occurrence of such action in future.Reward acts as reinforcing stimulus in the scenario.
According to the question, positive reinforcement is used by teacher for modifying child's behavior.He is rewarding the child through praising him for his good and quiet behavior in class.Thus, this strengthens the same behavior to occur more in boy in further classes.