FDR is known for his fireside chats
radio was much more common during that time and the method in which people got their news
The mongols invaded china with the intentions of having china under the Mongol Yuan rule.
Well the east was never fully roman, they spoke greek and had a greek culture I'm not sure why they didn't keep the name but they felt it was right to switch it since they were never roman. Actually Rome conquered their lands and made them apart of the empire..