I have to search and compare these civilization...

Question

･pre 20th century Japan
･Incan

It's my Social Studies project😲💦
Would you recommend me some good websites in English?

Answer 1

Did historical Japan have good roads? Did the Incas?
How were each governed?
How did they communicate with other nations?

Answer 2

Just for fun:

http://www.nationalgeographic.com/travel/top-10/ancient-highways/

http://www.bbc.com/news/magazine-33291373