Why did Mao choose the younger people for the cultural revolution?

The movement was fundamentally about elite politics, as Mao tried to reassert control by setting radical youths against the Communist Party hierarchy. But it had widespread consequences at all levels of society. Young people battled Mao’s perceived enemies, and one another, as Red Guards, before being sent to the countryside in the later stages of the Cultural Revolution. Intellectuals, people deemed “class enemies” and those with ties to the West or the former Nationalist government were persecuted. Many officials were purged. Some, like the future leader Deng Xiaoping, were eventually rehabilitated. Others were killed or were left permanently scarred. Some scholars contend that the trauma of the era contributed to economic transition in the decades that followed, as Chinese were willing to embrace market-oriented reforms to spur growth and ease deprivation.

Explanation:

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christopher columbus (1492–1504)

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germany had to pay all damages related to the war.

and i think

germany had to take sole responsibility for the war.