sentences:  Theodosius I called the second ecumenical council, Constantinople I, in 381, 56 years after Nicaea I, to confront the Arian controversy.Constantinople I once again rejected Arian subordinationism, and affirmed Trinitarianism.In addition, the Nicene Creed of 325 was amended and expanded to include a more detailed statement about the Holy Spirit, rejecting an idea which had been advanced by the Arians during the intervening years since Nicea, termed "Macedonianism", which denied the full deity of the Holy Spirit.