<span>Diplomacy is reflected in the working relationship between the United States and Mexico to fight the illegal drug trade.
So the best answer is :
</span>a.<span>imperialism
</span><span>Imperialism is </span>a policy of extending a country's power and influence through diplomacy or military force.
Play therapy is a form of therapy that is used on children. This idea most closely aligns with Freud and Erikson's views of play.
Play therapy is often used to help people in communication process, look into repressed thoughts and emotions, handles unresolved trauma, develop mental health treatment etc.
Erikson in his view of the play of children is one that is not merely expressive of their conflicts and problems but also an aim to find symbolic solutions.
Freud holds the view that children's play is succeeded by adult fantasy, but soon to treat the two activities as escapist evasions of reality.
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B, Christopher Columbus thought he landed in the Indies at first, so he started calling the natives “Indians”