A cry of lamentation went up. Straw was laid down outside the doors of the farmhouse, and the animals walked on tiptoe. With tears in their eyes they asked one another what they should do if their Leader were taken away from them. A rumour went round that Snowball had after all contrived to introduce poison into Napoleon’s food. At eleven o’clock Squealer came out to make another announcement. As his last act upon earth, Comrade Napoleon had pronounced a solemn decree: the drinking of alcohol was to be punished by death.

How does the use of scapegoating support the theme in this passage?

Even dictators will be mourned by those they oppressed for years.
It is common for dictators to fear attacks by enemies both real and invented.
Dictators will blame an invisible foe for problems in order to explain events.
Most problems are caused by those who have been cast away for causing harm.