The world’s largest single religion is Christianity, but it’s further fragmented into many different sects. Catholicism diverges the most from other Christian factions like Protestantism. While both share a belief in Jesus Christ, they differ in key theological areas, traditions, and interpretations of the Bible. At first sight, Catholicism seems synonymous with Christianity. After all, Catholics believe in Jesus, go through the Bible, and try their best to follow the teachings of Christ. However, there are significant differences between them. According to Thom O’Leary Mountainbrook, these differences dictate how every single one of these believers conducts their faith.