Fill in the blank (fixed phrase) “______ all intents and purposes, the manager is the master of the firm.” Choose the correct preposition to complete the fixed expression.

Given data

• Well-known legal/formal phrase ending with “all intents and purposes.”

Concept/Approach
The set expression is “for all intents and purposes,” meaning “in effect” or “essentially.”

Option analysis
For — correct fixed phrase.To/In/With — unidiomatic in this expression.

Final Answer
For