Based on the novel, Dear mr kilmer by Anne Schraff. Antagonists have good qualities as well.
Firstly, Gus. Even though he disobey Pa's order by joining the war. His good qualities are brave and loyal to his country.
Next, Abner and his friends. It was proven that they have good qualities as well though they bullied Hannah. Their good qualities are, patriotic and loyal. In a nutshell Antagonists have good values in them.

P/s :i just give oout points. U should elaborate more and add one more point