The harsh threat of punishment (Latae sententiae) contained in Pastorale officium made the Conquistadors complain to the Spanish king and Emperor. Charles V went on to argue that the letter was injurious to the Imperial right of colonization and harmful to the peace of the Indies. The urging of Charles V to revoke the briefs and bulls of 1537 and exemplifies the tension of the concern for evangelisation as manifested in the teachings of 1537 and the pressure to honor the system of royal patronage. The weakened position of the pope and the memory of the Sack of Rome (1527) a decade earlier by imperial troops, made the ecclesiastical authorities hesitant in engaging in any possible confrontation with the Emperor. Under mounting pressure Pope Paul III succumbed and removed the ecclesiastical censures in the letter titled ""Non Indecens Videtur" ".