In what way was the byzantine empire a departure from the roman empire?

When were criminals first used to create a system to catch other criminals

Countries that are neither core nations nor peripheral nations

2. explain the two different types of egyptian calendars. 3. what architectural advances did the ancient egyptians make? what impact do these advances have on our lives today? 4. what did egyptian art usually depict? how does this compare to forms of art that we see today? 5. what all was found in king tut’s tomb?