Question

why peasants in several district attacked chateaux?​

Answer 1

There were rumours that the landlords of manor had hired some people to destroy their crops by getting afraid of this situation peasants in several district seized hoes and attacked chateaux.

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Answer 2

Peasants were feared that if the people hired by lords of manor would burn their crops(which was just a rumour), what will they eat .So to protect their future,they attacked chateau in search of food so that they could survive.