Explanation:

- Oppression refers to prolonged cruel or unjust treatment or control.

- Option 1: Kindness - Acts of benevolence and compassion; the opposite of cruel behavior.

- This is the correct antonym for oppression.

- Option 2: Eventual - Happening at some point in the future; not relevant to oppression.

- Option 3: Hardship - Severe suffering or privation; similar in connotation to oppression, not opposite.

- Option 4: Sharpness - The quality of being keen or alert; unrelated to oppression.