Mass production of printed material. Before the press, each page of a Bible, for example, could take all day to write. After the press it would take a few days to carve the stamp, but then you could print 50 copies of the page in a very short time.
The quote of president Bush suggests that he values peace and democracy and that this peace has to be built upon human rights.
The Graphic, which I believe represents president Roosevelt hitting a dove with a stick, suggests that Roosevelt would sacrifice human rights for peace, which President Bush would not.
(I actually don't agree with this statement, just interpret the graphic)
Decline of rural living, but sparked tremendous amounts of economic growth eventually. Early urbanization was filthy though, no proper sewage, overcrowded cities. So many people surged into these urban areas at one time, often not finding enough jobs for everyone.