On June 8, 1917, Brigadier General William Sibert assumed command of them as the “First Expeditionary Division.” Organized as a “square” division of more than 28,000 men, the First Division was twice the size of either the Allied or German divisions on the Western Front.
Answer:Russia, not Germany, mobilised first. The resulting war, with France and Britain backing Serbia and Russia against two Central Powers, was Russia's desired outcome,
