Complete the following sentence: Beginning in the mid-17th century, the city began to decline due to the stationing of foreign troops, alterations in trade routes, and numerous natural disasters. ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■
, a series of disastrous wars with Sweden that left the Polish<unk>Lithuanian Commonwealth in ruins. The invading Swedes razed houses, farms, peasant buildings, hospitals, and three wooden churches on the outskirts of the city.<unk> The invading Swedes razed houses, farms, peasant buildings, hospitals, and three wooden churches on the outskirts of the city.