Meanwhile, deportations of the Rûm were put on hold as Germany wished for a Greek ally or neutrality, however for the sake of their alliance, German reaction to the deportations of Armenians was muted. The participation of the Ottoman Empire as an ally against the Entente powers was crucial to German grand strategy in the war, and good relations were needed. Following Russian breakthrough in the Caucasus and signs that Greece would side with the Allied powers after all, the CUP was finally able to resume operations against the Greeks of the empire, and Talaat ordered the deportation of the Pontus Greeks of the Black Sea coast.