What were four industries in the southern colonies

The united states constitution gives the the power to regulate interstate commerce.

Political boundaries are determined by the political party in control at all time true or false

What does it signify if point 1 shifts down and to the right? a. the price level and the real gdp are falling. b. the real gdp is falling, and supply is increasing. c. the price level is rising, and production is increasing. d. the price level is falling, and demand and the real gdp are rising.