>> “ we Christians cannot unite against the REAL forces of darkness.” <<
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Unite? - No! Light and Darkness cannot be united.
Matthew 10:
34] Think not that I am come to send peace on earth: I came not to send peace, but a sword.
[35] For I am come to set a man at variance against his father, and the daughter against her mother, and the daughter in law against her mother in law.
[36] And a man’s foes shall be they of his own household.
[37] He that loveth father or mother more than me is not worthy of me: and he that loveth son or daughter more than me is not worthy of me.
[38] And he that taketh not his cross, and followeth after me, is not worthy of me.
[39] He that findeth his life shall lose it: and he that loseth his life for my sake shall find it.
[40] He that receiveth you receiveth me, and he that receiveth me receiveth him that sent me.
[41] He that receiveth a prophet in the name of a prophet shall receive a prophet’s reward; and he that receiveth a righteous man in the name of a righteous man shall receive a righteous man’s reward.
[42] And whosoever shall give to drink unto one of these little ones a cup of cold water only in the name of a disciple, verily I say unto you, he shall in no wise lose his reward.
I think you misread? I mean, We Christians must unite against the real darkness of this world. We are all Christians, we all worship the same God. This makes us brothers in the light of Christ, and together we have a formidable army.