{"type":"rich","version":"1.0","title":"Achosion Rhyfel Cartref America","description":"Gweithgaredd dosbarthu sy'n ymchwilio i brif achosion Rhyfel Cartref America, wedi'u trefnu o safbwynt y Gogledd a'r De, yn cynnwys economi, caethwasiaeth, a hawliau taleithiau.","author_name":"Padlet TA","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1767922025694&hashid=WvKPkd7Vpg","html":"<iframe src=\"https://arcade.padlet.com/embed/WvKPkd7Vpg\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}