One of the strangest wars of modern times - a seven-year-long pipeline dispute that pitted the United States against Russia for influence in Europe - has ended.
Ukraine's Energy Challenge
Quartz: The world’s first pipeline war has officially come to an end
Russian President Vladimir Putin (R) and his Turkish counterpart Recep Tayyip Erdogan review an honor guard on Dec. 1, 2014 during a welcoming ceremony at the new presidential palace outside Ankara.
