Final filioque.

Council of Toledo changed creed on Holy Spirit to filioque. Then the debate ensued about whether the HS was through the Son or not through the Son. This debate split the region. The Eastern church rejected filioque because they wanted to keep the creed decided upon at the last ecumenical council. They did not want to just change the creed without a proper council decision. Also pneumatomachoi. Also modalism–if Christ and God breathed at the same time, then they would be two separate beings. Also Arius always wins. AAW. Also Alexander hates black lab mixes named Aggie