Can someone help me understand this thing?

Give an example to prove that your society is developed more than it was before 10 years ?

When zhang qin went to explore west, he brought back stories of

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?