Answer:
I think a good topic could be of people, or literally any two different subjects
Explanation:
I think in order for somebody to help you, which we would really love, you have to post the entire question? :)
That it would be annoying to do everyday & that it would possibly take too long to get in the smartphone.
Answer:
It's a series in a list
Explanation:
The author is listing out why we remember the soldiers. Commas are used to separate these words so they are not all read at one, but they are read with a pause in between.