Which areas of the world contributed technologies to Gutenberg's printing press? What technologies did he use from these other areas?

Which factor was a major cause of the great depression of the 1930?

Select all the correct answers. what were two effects of the french revolution in france?

Who were the copperheads? a. a native american tribe that rose up during the war b. northern democrats opposed to the war c. ships that ran the union blockade d. an elite force of union soldiers in the west