Final answer:
The statement "You don't go soft on a black fella..." conveys an attitude of hostility, which suggests unfriendly or aggressive feelings towards a person of color.
Step-by-step explanation:
The attitude or expectation expressed in the statement "You don't go soft on a black fella..." suggests an approach that lacks compassion and understanding, leaning towards a perception of toughness or sternness when interacting with a person of color. Considering the options provided, the most appropriate answer is Hostility. This attitude implies a confrontational or antagonistic stance, which is characterized by unfriendly or aggressive feelings.