The passage gives ancient Romans credit for showing us how to keep our water clean

A lot has occurred in history that has taken out the dangers out of drinking water

Explanation:

"Well, what do they do as a club?" Millicent wanted to know; This is the exposition implying that Millicent will challenge the club's activities.

Explanation:

I chose this answer because 1. I think it would best fit the question. 2. The resolution of a story is basically a conclusion that ends the story.

(I hope this helps!)