The answer is A: all northern states because after the Revolutionary War, the citizens of the northern states realized the cruelty of slavery and saw no benefit to it, and so they often opposed it against the southern farmers who were convinced that they needed slaves for the economy.
Legalism influenced the Chinese society during its dynastic era because it prescribed harsh penalties for any minor crime. Legalism was a belief the ancient China people had that humans were able to do more wrong than right. Because they were only motivated by things that for were for self gain.
Agencies create regulations to ensure safe products.
Agencies provide information about products and services.
Agencies collect buyers fraud complaints.
Special Government agencies make companies and businesses compete, by protecting the customers as well.