Complex sentence: By this time the debt had been cleared and the number of brothers had grown from 58 in 1860 to 133, and there were nine well-established communities working among the poor in Belgium, England and the United States.
Split into simpler sentences: By this time the institute had cleared its debt and the number of brothers had increased from 58 in 1860 to 133. They had nine well-established communities working among the poor in Belgium, England, and the United States.