Which statement best explains what causes Snowball to change the Seven Commandments?
None of the other animals on the farm could get further

than the letter A. It was also found that the stupider
animals, such as the sheep, hens, and ducks, were unable
to learn the Seven Commandments by heart. After much
thought Snowball declared that the Seven
Commandments could in effect be reduced to a single
maxim, namely: "Pour legs good, two legs bad." This, he
said, contained the essential principle of Animalism
--Animal Farm,
George Orwell
Snowball is pressured by the animals to simplify the
commandments
Some animals are unable to learn all of the
commandments
The smartest animals become impatient with the
stupider animals
The sheep, hens, and ducks refuse to learn the
commandments.