Which publications were printed by american romantic authors? (choose more than one answer.)
essays by ralph waldo emerson
communist manifesto by karl marx
the sketch book by washington irving
the scarlet letter by nathaniel hawthorne

The publications that were printed by American Romantic authors are:

Essays by Ralph Waldo Emerson 
The Scarlet Letter by Nathaniel Hawthorne

Another work of Ralph Waldo Emerson is "The Rhodora". It is a poem.
Another work of Nathaniel Hawthorne is "The House of the Seven Gables". It is a historical novel.

Other great American Romantic authors are Henry David Thoreau, Walt Whitman, and Herman Melville.  

The image explain. how in the late 1900. sugar spread to the world

Aan c sound like the correct ones.