1648<unk>1657 engulfed the south-eastern regions of the Polish crown; its long-term effects were disastrous for the Commonwealth. Complete the following sentence: The Cossack Khmelnytsky Uprising of 1648<unk>1657 engulfed the south-eastern regions of the Polish crown; its long-term effects were disastrous for the Commonwealth. The first "liberum veto" (a parliamentary device that allowed any member of the Sejm to dissolve a current session immediately) was exercised by a deputy in 1652. <unk> <unk> <unk> In the Treaty of Pereyaslav (1654), the Ukrainian rebels declared themselves subjects of the Tsar of Russia.<unk> In the Treaty of Pereyaslav (1654), the Ukrainian rebels declared themselves subjects of the Tsar of Russia. 1655<unk>1660; it included a brutal and devastating invasion of Poland referred to as the
Swedish Deluge. (Swedish Deluge) ️<unk>️<unk>️<unk>️<unk>️<unk>️ In 1657 the Treaty of Bromberg established the independence of the Duchy of Prussia.<unk> In 1657 the Treaty of Bromberg established the independence of the Duchy of Prussia. 1667), but the end result was the permanent division of Ukraine between Poland and Russia, as agreed to in the Truce of Andrusovo (1667). ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ The large-scale slave raids of the Crimean Tatars also had highly deleterious effects on the Polish economy.<unk> The large-scale slave raids of the Crimean Tatars also had highly deleterious effects on the Polish economy.<unk> The large-scale slave raids of the Crimean Tatars also had highly deleterious effects on the Polish economy. "Merkuriusz Polski", the first Polish newspaper, was published in 1661. "Merkuriusz Polski", the first Polish newspaper, was published in 1661.