I want to know the answer to the following question:
Why dd the Peasants of Ukraine join the Cossacks?
All the background I'm provided with is that "In 1654 the Ukrainian leader, Bohdan Khmelnytsky, offered to place Ukraine under the protection of the Russian Tsar, Aleksey I. Aleksey's acceptance of this offer led to another Russo-Polish War (1654–1667).". Is that enough to answer the question?