{"type":"rich","version":"1.0","title":"Source Synthesis: The Boston Massacre","description":"Players read short excerpts from primary and secondary sources about the same historical event, then answer four-option questions about agreements, contradictions, and how the sources combine to build a fuller account. The learning goal is to practice synthesizing evidence across texts and identifying discrepancies. (RH.11-12.9)","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1774370717625&hashid=06r0WbqZK7","html":"<iframe src=\"https://arcade.padlet.com/embed/06r0WbqZK7\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}