How did the articles of confederation affect trade and commerce

the articles of confederation were worthless in enforcing good interstate relations because they did not endow congress to regulate interstate trade or to intervene in questions of interstate disputes except as a last resort

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b

d gerrymandering is the correct answer