seek to bring about a total change in society. These movements usually do not attempt to work within the existing system; rather, they aim to remake the system by replacing existing institutions with new ones

Answer: Revolutionary movements

Explanation:

Revolutionary movements are defined as social movement that were usually intense to bring change in fundamental techniques of society and eliminating the old law scenario. Revolution caused by the act of revolutionary movement.

Main reason behind revolutionary movement is to change the control and manner of the pre-existing system and replacing it with advanced and fundamental system in society.