Cheryl strongly believed in animal rights, and joined an organization that wants to reform the ways in which society views and treats animals. the type of social movement cheryl is part of is a

The correct answer is a reformative social movement

A reformative social movement refers to a type of social movement in which activists seek to change and improve a specific aspect or function of society. In this instance, Cheryl and others in her organization aim to reform the ways in which society views and treats animals. Another example of a reformative social movement is one that seeks to legalize same-sex marriage and equal rights for gay couples.