What do the cats represent in bluths film fievel an American tail?

In Don Bluth's film "An American Tail," the cats represent the threats and challenges faced by immigrant families in their quest for a better life. They symbolize oppression and the dangers that come with navigating a new world, highlighting the fears and obstacles that Fievel and his family encounter. The cats serve as antagonists, embodying the harsh realities of discrimination and societal struggles while also emphasizing the resilience and determination of the immigrant experience.