I know that c and d are correct because if you read the paragraph you see that none of the other anwseres relate to the qustion
It can physically show the sum difference between 2 comparisons
The answer is the "Man at the Crossroads".
The most controversial mural of Diego Rivera in which he reflected his communist ideologies is called Man at the Crossroads. The mural was destroyed because the image of Vladimir Lenin, a communist was included.
