After the end of the war with Sweden over the Vistula Estuary in 1629, the quarter army moved to the Ukrainian lands at the beginning of 1630. At that time, the Poles were afraid of the invasion of the Kantemir’s Republic of Poland, but also of the Turks themselves, led by the Beillerbei from Ochakiv Murtazy Pasha. Poland was by no means prepared for such aggression. In Lviv, heavy negotiations of the military commission with soldiers considering the payment for the Prussian war. What is worse, a Cossack uprising broke out in Ukraine and Hetman Stanisław Koniecpolski moved with the greater part of the army to suppress the rebellion. In addition, there was a confederation in the Polish army, headed by Janusz Wiliński, lieutenant of the Hussar banner, voivode of Bracław, Mikołaj Potocki. Eventually, all disputes were resolved. On the other hand, the growing conflict with the Ottoman Empire could be smoothed out again through diplomatic channels. Aleksander Piaseczyński was sent to Istanbul and he was assured that the peace treaty of 1623 was still in force. On the occasion, five articles were written in which the Polish side. It was stated there to stop the Cossack attacks and pay gifts to the Khan, and the Turks to remove the Nogai Horde from Budziak and ensure the security of the Crown borders by the Khanate.