What color background was common in byzantine paintings?

What does the author of this article mean when saying that rome was hellenized

Match the description to the word. 1. aabb rhyme satirizing someone assonance 2. addressed to something nonliving or nonhuman clerihew 3. part for whole; whole for part personification 4. repetition of vowel sounds in accented syllables sonnet 5. anapestic comic verse form alliteration 6. fourteen lines of iambic pentameter limerick 7. repetition of initial sounds metonymy 8. repetition of final consonant sounds in accented syllables apostrophe 9. three stanzas and an envoy consonance 10. human attributes applied to something nonhuman ballade

Is art made by people who are not trained to be artists, but learn to make art by watching other people or by touching themselves