In George Orwell's novel Animal Farm, why do Mr. Frederick's men blow up the windmill?

In s novel
, Mr. Fredericks men attack and destroy the rebuilt windmill. They do so
mainly because Animal Farm is an allegorical , in which Mr. Frederick and
his farm represent Adolf Hitler and Nazi Germany. Meanwhile,and Animal Farm represent Joseph
Stalin and the Soviet Union. In 1941, Hitler, having signed a non-aggression pact with Hitler,
suddenly unleashed a massive surprise attack on the Soviet Union, devastating much of the
country. Fredericks attack on the windmill, therefore, iss allegorical version of Hitlers attack
on the Soviet Union. Orwells account of the attack, and of the events preceding the attack,
closely parallels real historical...