What were some differences between the eastern and western portions of the Roman Empire?

Some main differences between the Eastern part of the Roman Empire and the Western part of the Roman Empire are that the Western part was closer to Barbarian Europe, thus creating worries about possible invaders, while the Eastern part of the empire was pretty much safe from those nomadic invaders.

health and medicine because people are dying from not being healthy or not strong enough medicine

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.