Question

Which detail best supports the idea that oppressive leaders use propaganda to achieve their goals?

“The milk and the windfall apples (and also the main crop of apples when they ripened) should be reserved for the pigs alone.”
“Snowball and Napoleon sent out flights of pigeons . . . to mingle with the animals on neighbouring farms . . . and teach them the tune of ‘Beasts of England.’”
“Now if there was one thing that the animals were completely certain of, it was that they did not want Jones back.”
“By the late summer the news of what had happened on Animal Farm had spread across half the county.”

Answer 1

“Snowball and Napoleon sent out flights of pigeons . . . to mingle with the animals on neighbouring farms . . . and teach them the tune of ‘Beasts of England.’”

This shows the leaders deliberately spreading a song/idea to influence others — a clear example of using propaganda to achieve their aims.