Contradiction with Exodus 23:27
This verse describes God driving out enemies with fear and confusion, whereas Deuteronomy 26:8 speaks of God using power and signs.
Exodus 23:27: I will send my fear before thee, and will destroy all the people to whom thou shalt come, and I will make all thine enemies turn their backs unto thee. [backs: Heb. neck]
Contradiction with Isaiah 45:7
This verse states that God creates both peace and evil, contrasting with Deuteronomy 26:8 which focuses on positive actions of God.
Isaiah 45:7: I form the light, and create darkness: I make peace, and create evil: I the LORD do all these [things].
Contradiction with 1 Corinthians 14:33
God is described as not being the author of confusion here, which contrasts with the plagues and wonders creating chaos in Deuteronomy 26:8.
1 Corinthians 14:33: For God is not [the author] of confusion, but of peace, as in all churches of the saints. [confusion: Gr. tumult, or, unquietness]
Contradiction with Matthew 5:44-45
Jesus teaches love for enemies here, which contradicts the image of God overpowering enemies in Deuteronomy 26:8.
Matthew 5:44-45: But I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you;
Contradiction with Proverbs 16:7
Suggests peace with enemies if the Lord is pleased, contrary to the use of force in Deuteronomy 26:8.
Proverbs 16:7: When a man's ways please the LORD, he maketh even his enemies to be at peace with him.