He's assuring Parliament that his new policy will consist of nothing less than "to wage war, by sea, land, and air."
I don't exactly get what you are saying, so I'm practically guessing. If you restate I will gladly help you.
Answer:
It demonstrates that you have thoroughly explored the topic, and that you are aware of alternate points of view. By addressing or refuting the counterclaims logically, you gain credibility for your argument.
Explanation:
You can go home , if the work is finished before lunch
History repeats itself a lot in our everyday lives, the reason for that is because it reminds us how things were back in olden days, and get repeated in the future, We learn new things every day because of history, without history, we would be nowhere