The North China plain is bordered on the north by the Yan Mountains, on the west by the Taihang Mountains and the Henan highlands, and on the southwest by the Tongbai and Dabie mountains. To the south it merges into the Yangtze Plain.
It would be primarily commerce that takes place "within states" that is not a power of Congress, since the main power of Congress in this regard is to regulate interstate commerce.
Congress could not draft soldiers or regulate trade
Climatic condition was the major factor for migrating to new places.
Answer:
C, without a court system the Rebels couldn't be actually dealt with
