They were the most ruthless and radical political groups that created fear during the Reign of Terror. Fear how? From democratic initiatives to public violence.
Answer:
They both took over lands and peoples and treated them unfairly. They conquered many lands and built an empire. They both caused many revolts.
Theodore Roosevelt thought Indians were savages. He is famously quoted as saying, "I don't believe the only good Indians are dead Indians, just 9 out of 10 are". Several policies that Roosevelt worked on in office continued the United States government's overall position to demoralize and more or less eradicate Indian culture and people from America,.