Fill in the Blanks Early Christian ChurchOnline version Short history of early Christian Church (UU perspective) by Gillie Bishop 1 years eternal message Roman three 40 Jesus religion Catholic Britain heretics resurrected empire government apostles unitarian Son Trinity Over the days after the resurrection , Jesus appeared to his apostles ten times . Based on the stories , he seemed to be trying to prove to them that he was , in fact , and also remind them to continue to spread his . The are said to have written the New Testament , although many scholars believe it was written later than the lives of the apostles . The New Testament includes teachings of , stories of his life , and stories and preaching from the apostles and other followers of Jesus . It became the basis for a new that grew up ? somewhat secretly , at first , since the was against it . Over the next three hundred , though , Christianity became the dominant religion in the Empire ? which included southern Europe , , the Middle East , and northern Africa . But many disagreements arose about how Christianity should be practiced . In 325 AD , the Roman Emperor Constantine the Great called a meeting of Christian leaders throughout the to hash out the details of Christianity . Many things were decided at that meeting . One that is important to us as UUs is that the Council decided that God was a , made up of a Father ( God ) , ( Jesus ) , and Holy Spirit ( a feeling that inspires people ) . This was in response to a Church leader named Arius ( from Alexandria in Egypt ) who said God had created Jesus , so Jesus was not or co - equal with God . This was a view that God is one . But the Council of Nicea decided Christianity would be trinitarian , officially believing that God is in parts . This made Unitarian Christians ( people who disagree with the accepted belief ) , and many were persecuted or even killed over the next many centuries . Although there are other branches of Christianity ? including the Eastern Orthodox Christian Church which branched off early , the main branch that dominated Europe and the Middle East for centuries was the Roman Church .
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