this exhibition takes a brode european and global perspective. >> translation: various countries were dragged into it. even outside of europe. we emphasise the escalation of violence. this escalation reached a level never seen before. it wasn't only the soldiers, but the civilians. >> reporter: while the german government marks the 100th anniversary they acknowledged the significance, accent urted by -- accentuated with russia. conflicts about spheres of influence are not a thing of the past. there's no better way to gauge german lack of interest, than looking at how it remembers its soldiers in a modest cemetery tucked away in a berlin suburb. much of the cemetery is laid out in the style of an ornamental garden. further obscuring the individual graves. it's a very low-key commemoration. >> some observers believe that the anniversary will reawaken agarps of the grat -- awareness of the great war, and its lessons. >> if you are identifying is specific chapter in the history, which you have not been aware of for decades, germans are starting to work on this, finding their way to deal w

there's such a brode swath of territory that is going through upheaval. it's not a question of getting a policy right here or there, it's looking at a historic wave of uprisings and revolts we are seeing. >> that's interesting. it begins to sound like it wasn't much or there were limited options for this admission. here is what i'm curious to know from you. had the obama administration s misjudged the tenacity of the islamist movement. groups like i.s.i.s., i.s.i.l., and has it underestimated the dependency of reasonable allies on america's protection. >> i think it's a good point. i would have thought justice administration - almost everybody who is watching from most people certainly have underestimated the development. president obama said several months ago that i.s.i.s. was the junior varsity. when the u.s. got involved in libya, there wasn't the inspection that the thinking was if muammar gaddafi was gone, things could be sorted out, and libya could have a prosperous stable future. we didn't expect that chaos. the way the syrian civil war has gotten