 Complete the following phrase:  Over the course of 1652, Spain recaptured both Dunkirk and Barcelona, and although limited combat continued in Roussillon, by 1653 the front had stabilised along the modern Pyrenees border. However, doing so forced Philip into bankruptcy again, while the end of the Fronde allowed Mazarin to resume attacks on Milan; possession would threaten Habsburg territories in Austria but the attempt failed despite support from Savoy, Modena and Portugal. By now, the two antagonists were exhausted, with neither able to establish domice; from 1654 to 1656, French victories at Arras, Landrecies and Saint-Ghislain were offset by Spanish success at Pavia and 