Prose does not specifically blame any individual in particular, but rather the societal structures or circumstances that have led to the current state of affairs. It may criticize systems, institutions, or cultural norms that contribute to the issues being discussed.
whom or who does Sacco blame for his conviction
on whom does Cassius blame caesars power
The other animals
The British.
His mother
The capitol :(
A few names for a person you blame your problems on are scapegoat or victim. In slang: Blame-y.
catherine
himself
he had 200000000000000 affairs with 100000 girls all named priscilla
Leo Trotsky
the railroads companies, the Eastern manufacturers, and the bankers