The answer is D; it offered an alternative viewpoint to cultural conformity and consumerism.
Answer:
Tariffs protected Northerners factories from foreign competition because they made imported goods more expensive than American-made. Southerns depended on trading cotton in exchange for foreign goods. Rising tariffs hurt the South's economy.
Vaccination to prevent diseases. Vegan diets or whatever diets will not prevent them from having a better immune system to fight off such diseases
The completion of the Transcontinental Railroad greatly affected companies that made products in that it made it far easier for them to transport their goods over long distances to markets, which greatly increased profits and output.
6 is D that’s super easy learned it before