They played a role against the violation of human rights because of the inequality the world had against race,color,ethnicity and even weight/height. When people protested about this topic, people were less hateful to diversity and would allow any other skin color, weight or races into this world.
Generally speaking, advanced farming techniques allowed for a surplus of food, which led to the emergence of a "artisan" class--since for the first time people were "freed" to engage in other actives besides gathering food.
Some political consequences were that southern cities like atlanta were completely wrecked. and that after the civil war they had to rejoin the north and the south and spent 12 years reconstructing
