Corruption in the Catholic Church for example the selling of indulgences and unbiblical teaching/practices such as Papal supremacy and salvation by works.
Calvinism became an important form of Protestantism because of its emphasis on predestination, the sovereignty of God, and the idea of a "elect" group chosen for salvation. These beliefs attracted followers seeking a more structured and doctrinally rigorous form of Christianity during the Reformation.
orthodox Christianity
Orthodox Christianity.
Christianity developed from a religion among a small group of Jews (who lived in Judea, which was part of the Roman Empire) into a mass religion in the Roman days. It spread around the Roman Empire. It became state religion. Catholic Christianity and Orthodox Christianity developed during the Later Roman Empire. They were originally called Latin or Western Christianity and Greek or Eastern Christianity respectively. The former was the main form of Christianity in the western part of the Roman Empire and the latter was the main form of Christianity in the eastern part of the Roman Empire.
There was only one Roman Empire. Moreover, the Roman Empire did not study Christianity. An empire cannot study. The Roman Empire was where Christianity spread from Judea (which was a part of the Roman province of Syria). Both Catholic and Orthodox Christianity developed in the Roman Empire. Originally the were called Latin or Western Christianity and Greek or Eastern Christianity respectively. The former was the dominant form of Christianity in the western part of the Roman Empire and the latter was the dominant form of Christianity in the eastern part of this empire. There were also dissident Christian doctrines and sects.
Eastern Orthodoxy is one form of Christianity. Some more may be Roman Catholicism or Protestantism.
Protestantism and Catholicism are both equally the most popular. In southern Europe, Catholicism tends to be more dominant, while in the north, Protestantism is.
Judaism came first. It was followed by Christianity, which was in turn followed by Islam. Christianity was mostly Catholic until the 1500's when Martin Luther (from Germany) and Henry VIII of England broke away to form Protestantism.
Orthodox Christianity.
Calvinism became an important form of Protestantism because of its emphasis on predestination, the sovereignty of God, and the idea of a "elect" group chosen for salvation. These beliefs attracted followers seeking a more structured and doctrinally rigorous form of Christianity during the Reformation.
Ethiopia
Judaism came first. It was followed by Christianity, which was in turn followed by Islam. Christianity was mostly Catholic until the 1500's when Martin Luther (from Germany) and Henry VIII of England broke away to form Protestantism.
Puritans - an old form of Christianity.
Predestination was the basis of John Calvin's form of protestantism. People believed that they were born into salvation and they were destined to end up in Heaven.
The Orthodox Church.
Bible based born-again Christianity.
Believer.