How did Bud get revenge on the Amos family?

In "Bud, Not Buddy" by Christopher Paul Curtis, Bud gets revenge on the Amos family by releasing a swarm of hornets that he had discovered in a nearby tree. After being mistreated and forced to sleep in a shed, Bud takes this opportunity to retaliate against Todd Amos, who had bullied him. This act allows him to escape the unpleasant situation and assert his independence while also serving as a form of poetic justice for the wrongs he experienced at the Amos home.