Answer:
Militants help the progress of social movement.
Explanation:
Militants usually actively push the progress of social movement.
Militants most at times stay focused on their course making them progress in their push for something.
In the case of social movements, militants push the course to make it live and fruitful, hence, militants greatly help in the progress of a social movement.
One effect of the Boston Massacre was that "John Adams was criticized for defending the British soldiers who were involved," since he felted that they deserved fair representation.