How did the catholic church defend the selling of indulgences?

Catholic church defended the selling of indulgences by saying it was to minimize the sins of the people. Indulgence was issued by Church and given to a people who did good work or penance. In the Middle Ages, people became involved in devoting to their Churches and God. The laws and regulations were in the hands of the Church. The main reason for the selling of the indulgences by the catholic church was to raise funds to built St. Peter's Basilica in Rome.  

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity

abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.