all the more so because…

idiomPart ofso

all the more so because… — idiom

1. adds an extra reason that makes a previous statement even more strongly true tha

1.idiom
Definition

adds an extra reason that makes a previous statement even more strongly true than it first appeared.

Example

Roya's victory was impressive, all the more so because she trained without a coach.

The rescue was brave, all the more so because the firefighters had only minutes to act.