{"type":"rich","version":"1.0","title":"Immigration in America 1880-1910","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/XPgL4X_3c2eoAaHz/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/5cf80be17ff77367a801a1f3\" frameborder=\"0\" allowfullscreen></iframe>"}