What is the Catholic dogma known as that believes that consecrated bread and wine from the Last Supper literally became the body and blood of Jesus Christ?
The Catholic Church uses wine in the celebration of the Eucharist because it is part of the tradition passed down through the ages starting with Jesus Christ at the Last Supper, where Catholics believe the consecrated bread and wine literally become the body and blood of Jesus Christ, a dogma known as transubstantiation.