In the study conducted over 104,000 veterans who returned from Iraq and Afghanistan, almost 25 percent of them suffered from psychological disorder, which means option D is the right answer.
Iraq and Afghanistan are areas of extreme fundamentalism and conflicts were bomb attacks, murders and other crimes are daily chores and people live in such hostile conditions under extreme fear and subversion. When US based researchers conducted a survey on the veterans of Iraq and Afghanistan, they found that many of them had some psychological disorder.
This is mainly because of the fatigue, fear and pain faced by them. These nations also lack proper health care system and also suffer from poverty because no major investor wants to invest in conflict prone zone.
Learn more about psychological disorder at:
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