Luke doesn’t see Jesus’s death as a sacrifice so God will forgive humans for their sins, but rather a key example of how sinful humans are–they killed God’s prophet! If you want to be forgiven, you have to turn back to God, but don’t need a sacrifice, according to Luke.
A version of Christian nationalism believes that Christianity is a pro-war religion that supports strong nationalist policies that protect Christianity and what it views as traditional life. It is more focused on defeating the enemy than on love. It is more about militaristic and capitalist ideology, than the words of Jesus in the Bible.