As of 2016 , aspects of the crisis Catastrophe in relation to the militants continue to be contentious : questions remain regarding how many terrorists were involved Cause_to_be_included , the nature of their preparations and whether a section of the group had escaped Escaping .

Ultimately it resulted in Causation a contentious battle Hostile_encounter between a consolidation of power by religious elites and the growing support for democracy in many Muslim-majority states .

The withdrawal Escaping of U.S. military forces from Iraq was a contentious issue in the United States for much of the 2000s .

The notion of a `` war '' against `` terrorism '' has proven contentious , with critics charging that it has been exploited by participating governments to pursue long-standing policy/military objectives , reduce civil liberties , and infringe upon human rights .

The protests Protest were a major driving force for recall elections Change_of_leadership of state senators in 2011 and 2012 , the failed recall of Governor Scott Walker in 2012 and a contentious Wisconsin Supreme Court election Change_of_leadership in 2011 .