Sahagún's work was originally conducted only in Nahuatl. To fend off suspicion and criticism, he translated sections of it into Spanish, submitted it to some fellow Franciscans for their review, and sent it to the King of Spain with some Friars returning home. His last years were difficult, because the utopian idealism of the first Franciscans in New Spain was fading while the Spanish colonial project continued as brutal and exploitative. In addition, millions of indigenous people died from repeated epidemics, as they had no immunity to Eurasian diseases. Some of his final writings express feelings of despair. The Crown replaced the religious orders with secular clergy, giving friars a much smaller role in the Catholic life of the colony. Franciscans newly arrived in the colony did not share the earlier Franciscans' faith and zeal about the capacity of the Indians. The pro-indigenous approach of the Franciscans and Sahagún became marginalized with passing years. The use of the Nahuatl Bible was banned, reflecting the broader global retrenchment of Catholicism under the Council of Trent. In 1575 the Council of the Indies banned all scriptures in the indigenous languages and forced Sahagún to hand over all of his documents about the Aztec culture and the results of his research. The respectful study of the local traditions has probably been seen as a possible obstacle to the christian mission. Despite this ban Sahagún made two more copies of his "Historia general".