In Joseon, when the parents were going to die, they gave all their money only to their sons. However in Goryeo, when the parents were going to die,  they gave money to each child.So I think Goryeo`s rule was fairer than Joseon's.

  Goryeo was invaded by Mongolia. Mongol`s  Won Dynasty was so powerful that Goryeo failed in this battle. Goryeo's royalty moved to Gangwha Island. Goryeo made a group of men called, "Sambyeolcho."

   Today was a happy day learning history!!However Goryeo history was a little bit difficult for me.

Good work, thanks for your explanations, I think Goryeo was difficult but you did well, Logan.