The flag was green, Snowball explained, to represent the green fields of England, while the hoof and horn signified the future Republic of the Animals which would arise when the human race had been finally overthrown. Marta Martin Tits. They are obliged to prevent their followers from starving to death in numbers large enough to be inconvenient, and they are obliged to remain at the same low level of military technique as their rivals; but once that minimum is achieved, they can twist reality into whatever shape they choose.