10/40 simplified is 1/4
1/4 equals 25%
Churchill makes use of parallel construction partically in the last paragraph of our exerpt. He gradually builds his case and concludes in a way to raise people to his cause. He repeatedly begins his sentences with "We shall.." This makes it sound like he already has a recruitment of people on his side- whether or not he does we do not know. "<span>We shall not flag nor fail. We shall go on to the end. We shall fight in France and on the seas and oceans; we shall fight with growing confidence and growing strength in the air. We shall defend our island..." This is an extremely effective and commonly used rhetorical device.</span>
