{"type":"rich","version":"1.0","title":"American Experience and Historical Change","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/Y9HrzV2VDTp4IF1m/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/63d1ebcd5d950d3a78205d66\" frameborder=\"0\" allowfullscreen></iframe>"}