{"type":"rich","version":"1.0","title":"Chapter 3: Trade and Commerce 1857 - 1890","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/adEDT6KMUeQ8hCGG/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/69d1034fa28c51e43c842186\" frameborder=\"0\" allowfullscreen></iframe>"}