Which of the following is a primary source?

Explanation:

Primary Sources are immediate, first-hand accounts of a topic, from people who had a direct connection with it. Primary sources can include: Texts of laws and other original documents. Newspaper reports, by reporters who witnessed an event or who quote people who did.

the answer is use of support  

if you could provide the poem below, i'd be happy to you!

explanation:

you didn't give us the poem, or the title of the poem. but it is essential for you to give us that, otherwise we can not detect when the poem has a tonal shift!