Select the word segment that substitutes (replaces) the bracketed word segment correctly and completes the sentence meaningfully. In case no improvement is needed, select ‘No improvement’.
To be ready for a conflict (is one of the most effectual mean of) preserving harmony.
1
is one of most effectual mean with
2
No improvement
3
is one of the most effectual means of
4
is one of most effectual means of