Explanation:

- Strife refers to conflict, struggle, or friction between parties.

- Option 1: Dissent - This means holding or expressing opinions that differ from others. It's not a direct opposite of strife.

- Option 2: Schism - This refers to a split or division, especially in terms of opinion or allegiance, not an antonym.

- Option 3: Discord - This denotes a lack of harmony or agreement, similar to strife.

- Option 4: Conflict - This is a synonym of strife, meaning disagreement or clash.

- Option 5: Concurrence - This means agreement or the act of simultaneously agreeing with others.

Option 5: Concurrence is indeed the correct antonym for strife.