If you look at a dictionary to substantiate is to support an opinion or claim with proof or evidence. So a Substantiated opinion is an opinion that is backed up with proof.
Hope this helps :)
Answer:
C
Explanation:
Iambic pentameter has 10 sylables and C is the only one with 10 syllables.
Answer:
623 B.C
Explanation:
Siddhartha Gautama was born in Kapilvastu District, in Nepal and died in Kushinagar, India.
Hint I do not know if I spelled the names right. If I didn't then I am so sorry