"World War I: The Players" Allied powers against Central powers mtholyoke.edu https://www.mtholyoke.edu/~raina20s/ww1/play.html mtholyoke.edu https://www.mtholyoke.edu/~raina20s/ww1/play.html "World War I: The Players" mtholyoke.edu Allied Powers "World War I: The Players" World War I: Beginnings of Major Players