all the strength; the entire power or forceThe phrase вся сила is a literal noun phrase and is commonly used in constructions such as вся сила в чём-то, meaning that the main strength or advantage lies in something. It should not be confused with the idiomatic expression изо всех сил, meaning “with all one's might.”
RU: Вся сила этой команды — в её сплочённости.
EN: This team’s entire strength lies in its unity.