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Alloparenting: Alloparental care is exhibited by certain animals who look after the young ones who are not their direct genetic descendants. These young ones are either their grandchildren or siblings. The animals who exhibit this behavior are known as the alloparents (helper).
American Class System | Social Classes Types & Structure
2023年11月21日 · In the United States during the 20th century, this changed and the modern American class system came into existence. After World War II, the United States had a massive network of factories and a ...