Define social change?

Define social change. What are the key features of social change? Give four examples of social movements, current or past, and describe the key features of each movement.

Define social change?
Social change is a general term which refers to a change in the nature, the social institutions, the social behavior, or the social relations of a society, community of people, or other social structures. Any event or action that affects a group of individuals that have share values or characteristics. Acts of advocacy for the cause of changing society in a normative way (subjective).
Reply:The most obvious example of a social movement that caused social change was the African American movement for equal rights in the USA. It is this movement that gave us the civil rights now shared by all. There's also the women's right to vote movement or more recently the gay rights movement. Comes to show that social change is always a bottom top action so don't expecto social change from your representatives.
Reply:an answer i have four you would have to be social change in our institutions, such agriculture to industrialization from industrialization to age of information. another would be behavior changes such as the dark ages to the enlightenment. And racial, homophobic, xenophobic views of our own country.