The answer
Concerning the difference between the Coptic and the Roman Catholic churches, indulgences is just one of many differences. The Catholic doctrines of the Filioque, the Immaculate conception, the supremacy of the church of Rome, the purgatory, the celibacy of the priests are to name a few. You can read more about the differences between the Orthodox and the Catholic at www.geocities.com/mgocsmbvli/orth_cath.htm.Answered by His Eminence Metropolitan Youssef (opens in a new tab)