Ancient Greeks lived answer quick plzz

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

What event was one of the greatest factors that led to massive emigration from ireland to the united states in the mid—1800s

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.