I believe the answer would be France.
For the first one The institution of slavery contradicted the foundation of the American society because till this day people of color are still being treated horrendously due to their ancestors and their teachings to the newer generation. Also it contradicted it because Americans had their amendments but it didn’t apply to slaves .
Hinduism has impacted the world in the sense that it has risen to become one the top 3 religions in the world today. About 14% of the worlds population claims Hinduism as their religion. The Hinduism faith is considered to be one of the most religiously tolerant religions in the world.