Is " have a seat" a complete sentence?

In edgar allen poe's "masque of the red death", what object is kept in the black room?

Shape 1 and shape 2 are plotted on a coordinate plane. which statement about the shapes is true? a. shape 1 and shape 2 are not congruent.b. a translation will prove that shape 2 is congruent to shape 1.c. a rotation and a translation will prove that shape 2 is congruent to shape 1.d. a reflection, a rotation, and a translation will prove that shape 2 is congruent to shape 1.

What does stanton accuse men of in this excerpt from the declaration of sentiments