Russia had gone out of the war much faster than America came in. Early in May a flotilla of destroyers joined the British Fleet, and on 26 June the first division landed in France. But it needed six months' training, and a year would pass before the weight of American reinforcements would make much material difference to the Western front. That year was bound to try the Western Allies to the utmost, and the interval between the disappearance of Russia and the arrival of the United States as an effective combatant, gave the Germans the chance of reversing the decision which they felt had gone against them before the end of 1916. They regarded the Russian revolution as a miracle wrought in their favour; but it was only by degrees that they realized the extent of their apparent good fortune and proceeded both to use and to abuse it. From the first, however, the revolution changed for the worse the situation on every front, and enemy troops, released from fear of Russia, began to appear in the West, on the Isonzo, in Mesopotamia, in Palestine, and in the Balkans. The middle of treacherous April saw the tide checked that had been flowing so strongly since the year began. The disappointment was not, however, entirely due to the gradual elimination of Russia, for that misfortune did not fall with much weight on the Western front until many months had passed, and depression there had its causes nearer home. Commenting on the British success at the battle of Arras, an Italian journal optimistically asked its readers what would be the plight of the Central Empires when real military Powers got to work, since so much had been achieved by the semi-civilians of the British Empire. Hopes also ran high in France. Nivelle, the new commander-in-chief, had conceived an ambitious plan of crushing the Germans on a front of fifty miles between the plateau north-east of Soissons and the river Suippe in Champagne; and this offensive, coupled with the British pressure in front of Arras, was to clear the Germans out of the greater part of occupied France. Nivelle proposed to repeat on a vastly extended scale his triumphs of the previous autumn at Verdun, and he made no secret to his Government of his confidence that Laon would fall as a result of the first day's fighting. Neither Haig nor Pétain had much faith in the possibility of the plan, but Nivelle had persuaded Ribot's Ministry, which had succeeded Briand's in March, and French expectations were raised to a giddy height. There were three main objectives: to clear the Chemin des Dames, to master the Moronvillers massif and other heights north and east of Reims, and to thrust between these two great bastions along the road to Laon. Each was an objective greater than that achieved in the battle of Arras, and all were attempted at once (*see Map, p. 67*).