Part 1 of Essay
Because we consider ourselves to be better or higher life forms than animals(especially pigs) showing them to be the same as or better than us is a good satirical tool for exposing human folly or for showing human behavior to be animalistic. In animal farm George Orwell uses animals to represent specific people and also us ....

Part 2 of Essay
.... represent people and therefore function as good metaphors. Mr. Jones symbolizes (in addition to the evils of capitalism) Czar Nicholas II, the leader of Russia before Stalin (Napoleon). Jones represents the old government, the last of the Czars. Orwell writes that "On a Midsummer's eve, which was Saturday, Mr. Jones went into Willingdon and got so drunk at the Red Lion that he did not come back till midday on Sunday. The men had milked the cows in the early morning and then gone out rabbitting, without botheri ....