contributions made by Johann Gutenberg that contributed to the success of printing with movable type

this is for History of Graphic Design class – Describe three contributions made by Johann Gutenberg that contributed to the success of printing with movable type. (need 3 paragraphs for total )

contributions made by Johann Gutenberg that contributed to the success of printing with movable type

this is for History of Graphic Design class – Describe three contributions made by Johann Gutenberg that contributed to the success of printing with movable type. (need 3 paragraphs for total )