 Complete the following phrase:  Those who came in the earlier period were largely tradesmen, and many stayed in Saint John, becoming the backbone of its builders. But when the Great Famine of Ireland raged between 1845 and 1849, huge waves of famine refugees flooded the citys shores. It is estimated that between 1845 and 1847, some 30,000 arrived, more people than were living in the city at the time. In 1847, dubbed 