Why might the Catholic Church have found ideas of lgnatius to be paticularly relevant to Catholic protestant country?

The real answer to this is because of St. Ignatius' work in combating Protestantism in the Age of Reformation (the 1500s). St. Ignatius's life story is truly amazing. To paraphrase briefly - He was at one time a very secular man who was a soldier. He received divine inspiration while recovering from a wound and was instantly converted to Catholicism. He created the Society of Jesus (the Jesuits) who took a leading role in converting protestants to return to full union with the Catholic church. Today the Jesuits are one of the four major orders of Catholicism. They continue their work following Ignatius' lead in converting all souls (non-Christian, Protestant, even wayward Catholics) to the true teachings of Jesus through the Catholic Church. That is why the Church considers the Jesuit's work to be very relevant in preaching to non-Catholics in missionary work in protestant countries. ~MFC