During the 1960s in America, there were a new political movement known as the New Left organization which was made up of activists who sought to bring societal reforms to <em>America</em>.
Some of the things which they aimed to change in the society included:
Civil rights
Political rights
Feminism
Gay rights
Gender equality
War on drugs, etc
With this in mind, we know that a social reform has to do with a change from some situations which are<em> considered bad or unhealthy </em>to better ones.
Please note that your question is incomplete so I gave you a general overview to help you better understand the concept
