Answer:
When talking about writing, “explicit” means something that is stated plainly, while “implicit” refers to something that is implied and not stated directly.
Explanation:
Because
The answer for that question is C
To see if the mysterious noise happened once more
The repetition of 'how we ended world war one' emphasises the fact that they are probably proud of the actions they've done to end the war. They want to inform you that they did these specific things to prevent the war from going on. It's like a reminder to the reader that the people then did a lot.