Why is snowball awarded animal hero first class?

Snowball is awarded the title of Animal Hero, First Class, for his bravery during the Battle of the Cowshed on Animal Farm. He played a crucial role in defending the farm against human invaders, demonstrating leadership and valor. His actions not only helped secure the farm's independence but also inspired other animals to fight for their freedom. This recognition reflects the admiration and respect the animals have for his contributions to their cause.