Why we should know facts about our country ​

The graph shows the price of a good compared to the quantity demanded and the quantity supplied. on this graph, the bottom horizontal line represents an ineffective price floor set above equilibrium. an effective price floor set below equilibrium. an ineffective price ceiling set above equilibrium. an effective price ceiling set below equilibrium.

Brainliest to who answers! what will always cause a supply curve to shift to the left?

The first national government for the united states was