Answer:
Under the Articles of Confederation, states caused economic chaos by making independent trade agreements with foreign countries, so the Constitution gave the federal government the power to regulate trade and foreign policy.
Answer: A. medicine and agriculture
Explanation:
The former slave owner suggested a contract to the freedman. Once the slaves were freed many white people were angry and intended to murder or harm colored people. It would be extremely difficult for colored people to find housing let alone a job. He suggested the contract as an offer of protection, and the bare necessities to survive. In return the freedman would work very hard for unfair wages.
"D" is the best option. It sounds the most professional, and does not use childish words such as "other stuff".