{"type":"rich","version":"1.0","title":" Unit 4: Changing Society is a Struggle","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/XqUhDF2sOFMz2hKR/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/5ea5210c5dac385333da1291\" frameborder=\"0\" allowfullscreen></iframe>"}