Civil Disobedience,rioting,strikes,and Other Disruptions Intended to Force Institutions to Negotiate

Civil disobedience,rioting,strikes,and other disruptions intended to force institutions to negotiate

A) is the last resort of extremists.
B) has a long history in the United States,but is less common now.
C) has a long history in the United States,but has become more common recently.
D) has only been seen since the 1960s.
E) is not at all effective.