The first-century sculpture Augustus of Prima Porta and the ...

[TFauchery]

The first-century sculpture Augustus of Prima Porta and the fourteenth-century painting Effects of Good Government in the City both exemplify the function of art
 
  for persuasion.
   as self-expression.
   for commemoration.
   for ritual.

Question 2

Heidi Cody's American Alphabet is a set of light boxes that feature the isolated first letters of American
 
  groceries.
   sports teams.
   automobiles.
   apparel.

[jasonq]

Answer to Question 1

for persuasion.

Answer to Question 2

groceries.