Farr cited repeated cases in which diplomats ignored or overlooked the importance of faith and religion in dealing with sensitive matters, leading to decades of stumbles in diplomacy.
The church has tried to play a mediating role between Ortega's Sandinista government and protesters who have increasingly demanded his ouster amid demonstrations and clashes in which about 450 people — most of them protesters — have been slain.
Ambassador Callista Gingrich joined Archbishop Paul Gallagher, the Vatican secretary for relations with states, and other speakers at an event to discuss the Vatican's perspective on and fight for religious freedom around the world.
The group calling itself the League of Defense of the Church alleged there was inaction by Cardinal Dieudonne Nzapalainga of Bangui as the church faced attacks, with Christians and priests being killed.
Facing child trafficking allegations at one of its homes for unmarried mothers in India, the Missionaries of Charity said the order condemns the actions of individuals involved and stressed that these are unrelated to the order.