Answer: No, cite only original content from social media sites. If you want to cite content from a social media post or account that is not the original source of the content, cite it directly. If you cite a non-public post, your readers will likely not be able to see the post and verify its use in your paper. Other apps and platforms can require registration, payment, or download before access is possible.
The the third one because of the sentence
Answer:
Kublai Khan His term was the fifth Great Khan of the Mongol Empire
Explanation:
From wiki - <em>Kublai Khan, born Kublai and also known by the temple name Shi-zu, was the fifth Khan of the Mongol Empire, reigning from 1260 to 1294. He also founded the Yuan dynasty in China as a conquest dynasty in 1271, and ruled as the first Yuan emperor until his death in 1294.</em>