It is the satan who causes division
Ephesians 6:12 For our struggle is not against enemies of blood and flesh, but against the rulers, against the authorities, against the cosmic powers of this present darkness, against the spiritual forces of evil in the heavenly places
John 10:10 The thief (satan)comes only to steal and kill and destroy. I came that they may have life, and have it abundantly.
Acts 13:10 and said, “You son of the devil, you enemy of all righteousness, full of all deceit and villainy, will you not stop making crooked the straight paths of the Lord?
1 Peter 5:8 Discipline yourselves, keep alert.[d] Like a roaring lion your adversary the devil prowls around, looking for someone to devour. 9 Resist him, steadfast in your faith, for you know that your brothers and sisters in all the world are undergoing the same kinds of suffering.
Jude 1:19 It is these worldly people, devoid of the Spirit, who are causing divisions.
Titus 3:9 But avoid stupid controversies, genealogies, dissensions, and quarrels about the law, for they are unprofitable and worthless. 10 After a first and second admonition, have nothing more to do with anyone who causes divisions, 11 since you know that such a person is perverted and sinful, being self-condemned.
1 John 2:22-23 They went out from us, but they were not of us. For if they had been of us, they would no doubt have remained with us; but that they may be manifest, that they are not all of us.
1 Corinthians 1:10 Now I appeal to you, brothers and sisters, by the name of our Lord Jesus Christ, that all of you be in agreement and that there be no divisions among you, but that you be united in the same mind and the same purpose.
Don’t waste your time in finding out who’s at fault,we have better things to do,don’t we ?