 Complete the following phrase:  Had the Cossacks stayed at Khortytsia, they might have been defeated, as in many other rebellions. However, Khmelnytsky marched against the Poles. The two armies met on 16 May 1648 at Zhovti Vody, where, aided by the Tatars of Tugay Bey, the Cossacks inflicted their first crushing defeat on the Commonwealth. It was repeated soon afterwards, with the same success, at the 