Religion is a pretext. Greed is a cause. Wars that were driven by leaders' economic motivations used religion as a justification. As religion became less eff

Religion is a pretext. Greed is a cause. Wars that were driven by leaders' economic motivations used religion as a justification. As religion became less effective as a pretext in the 20th century, other pretexts came along ("progress", "economic justice", etc.) to justify expansionist greed.