Choose more than one pls

Who is the executive branch checking when the president calls a special session of congress

Give a brief summary/define the holocaust - who was behind it, how it began, what was the goal, and where did it take place? (8-10 sentences). be sure to include at least 2 pictures or a timeline

On a supply and demand graph, equilibrium is the point where the two curves meet. the supply curve begins. the supply curve ends. the demand curve ends.