{"type":"rich","version":"1.0","title":"**Seconda rivoluzione industriale** (1870-1945)","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/ZP3tF9gQ8qXcqo-K/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/64fded17d810f2a5dcaa8f8a\" frameborder=\"0\" allowfullscreen></iframe>"}