Late Goryeo is full of corruption thats why the Wang Royal Family was overthrown by Yi Family's Yi Seonggye. Joseon can undergo industrial revolution if Gojong's regent didnt isolate it from Wester culture. They call the americans the western barbarians. If they opened their ports to Western culture, they could have upgraded their weaponry, wont get annexed slowly by Japan and an earlier declaration of independence as an Empire.
