 Complete the following phrase:  After the Irish Rebellion of 1641, Galway was in a delicate position, caught, in effect between the Catholic rebels Confederates and its English garrison ensconced in Fort Hill just outside the city. Eventually, Galway citizens, who were predomitly Catholic, went against their garrison and supported the confederate side in 1642. The fort was besieged with the aid of Confederate troops until it surrendered and its garrison was evacuated by sea. During the 1640s, Galway was heavily fortified against an expected counter-attack by English forces, which eventually materialised when English Parliamentarian forces 