The answer should be : "the style".
Hope this helps !
Photon
I doubt that it is really wise to rely on the help from the people who are not specialists in it. I had a similar task and I need to confess that I asked the writers from "Marvelous Essay" to help with that. The result was even better than I have expected.
Answer:
It is a sign of respect
Explanation:
To raise Americans' awareness of the honorable contributions made by those who died while defending our nation. To encourage all Americans to honor those who died as a result of service to this nation by pausing for one minute at 3:00 p.m. (local time) on Memorial Day.