If Jesus started the Catholic Church, when did he say that adherents must?
YA does not allow for enough space to provide sufficient answers to all your questions at once. If you have more than one question, you should post them separately; thereby making it easier for people to provide you with answers. Therefore, I can only answer your first request. Repost them as separate questions if you wish me to provide answers for the others. For now, here is Biblical Confirmation of Intercessory Prayer to the Saints including Mary: We are One Family in Christ in Heaven and on Earth Eph. 3:14-15- we are all one family (“Catholic”) in heaven and on earth, united together, as children of the Father, through Jesus Christ. Our brothers and sisters who have gone to heaven before us are not a different family. We are one and the same family. This is why, in the Apostles Creed, we profess a belief in the “communion of saints.” There cannot be a “communion” if there is no union. Loving beings, whether on earth or in heaven, are concerned for other beings, and this concern is
