Answer 1. im preety sure its sydication of news columns
Answer2. automated printing presses were made
2D design is flat design, like drawing or sketching.
http://resources.hwb.wales.gov.uk/VTC/ngfl/dandt/75/Tutorials/2D%20Design/Section1.pdf
use this pdf to learn how to use it
Harlem was one place that jazz was made. It is the first places that built clubs that allowed jazz music to be played.