In Act I, Scene II, Ross refers to Macbeth as "Bellona's bridegroom." Bellona was the Roman goddess of war.

How does this allusion affect the play?

It suggests that Ross is extremely intelligent, which is why he recognizes Macbeth's evil before all others.

It indicates that the play will be primarily concerned with how wars and battle affect an individual.

It helps convey the brutality that Macbeth exhibits in battle, thereby establishing his character traits.

It hints that Macbeth is a man who is defined primarily by the ambition and nature of his wife.