arianismi
Arianism was a theological doctrine within early Christianity that emphasized the uniqueness and supremacy of God the Father. Named after Arius, a presbyter of Alexandria in the early 4th century, the core tenet of Arianism was that Jesus Christ, the Son of God, was a created being, subordinate to God the Father. Arius taught that Jesus was not eternal or co-equal with the Father, but rather was the first and highest of God's creations. This stood in contrast to what would become the orthodox Christian view of the Trinity, which posits that the Father, Son, and Holy Spirit are one God in three co-equal persons.
The Arian controversy became a major theological and political issue within the Roman Empire. Emperor Constantine