The word that has same meaning as the italicized word in both the sentences is Option C, effect. Effect means result or consequence. It also means to bring about something or cause something to happen. Sentence I means that he entered many times before the other person but it did not have any effect. Sentence II means the minister asked the officers to put scheme into effect, i.e: bring the scheme into action. Option A 'Influence' means having an impact. Option B 'expression' means look on the face that may convey some emotion. Option D 'consequence' means end result. So, options A, B and D are incorrect to be used in both the given sentences and the correct answer is option C, effect.