How was the demand for labor on the "slave frontier" met?

a.)slaves were imported from europe.

b.)slaves were purchased from the northern states.

c.)slaves were sold in the south by owners in the border states.

a change of venue is the legal term for moving a trial to a new location. a change of venue request because venue is improper means that the removing defendant believes that the case may not be in that venue because it is improper under procedural rules.

a, both were musicians during the jazz age