Original sentence: After some hard fighting (in which Giuseppe Garibaldi distinguished himself on the Italian side), Pius was returned to Rome, and, repenting of his previous liberal tendencies, pursued a harsh, conservative policy even more repressive than that of his predecessors
Edited sentence: After some hard fighting (in which Giuseppe Garibaldi distinguished himself on the Italian side), Pius was returned to Rome, and, repenting of his previous liberal tendencies, pursued a more conservative policy than that of his predecessors