{"type":"rich","version":"1.0","description":"Determine the central ideas or information of a primary or secondary source; provide an accurate summary of how key events or ideas develop over the course of the text. (RH.9-10.2)","title":"Main Idea: The Printing Press","width":720,"html":"<iframe src=\"https://arcade.padlet.com/embed/60Km9778K7\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","height":480,"provider_name":"Padlet Arcade","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1785282816912&hashid=60Km9778K7","provider_url":"https://arcade.padlet.com"}