A comma should be after each separate things you are listing. The answer is:
<span>
The
Library of Congress is home to the world's most extensive comic-book
collection, oldest original newspaper collection, and most abundant
collection of cartographic items.</span>
It benefits because studying the Holocaust it’s important. It’s a time in the historie very important, when occur a lot of thing in the world. The holocaust was a time very ugly for all the people that was in their, they suffered a lot in that moment.
fast also it uses many academic words my best guess and if you look at it another way it could be fast and slow but I think its fast
