In Animal Farm, why does Napoleon blame Snowball for the fall of the windmill when it had actually been destroyed in a storm?

In Animal Farm, why does Napoleon blame Snowball for the fall of the windmill when it had actually been destroyed in a storm?
In Animal Farm, why does Napoleon blame Snowball for the fall of the windmill when it had actually been destroyed in a storm?
In Animal Farm, why does Napoleon blame Snowball for the fall of the windmill when it had actually been destroyed in a storm?

 

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