Contradiction with Matthew 5:9
Blessed are the peacemakers: for they shall be called the children of God, contrasting the conflict approach found in Judges 11:4.
Matthew 5:9: Blessed [are] the peacemakers: for they shall be called the children of God.
Contradiction with Romans 12:18
If it be possible, as much as lieth in you, live peaceably with all men, which contrasts with the occurrence of war described in Judges 11:4.
Romans 12:18: If it be possible, as much as lieth in you, live peaceably with all men.