Some of the major accomplishment that were achieved within the Persian empire are:
- their legal system - strict, but very sophisticated for their time, outshone only by those of Greece and Rome, the classical examples of ancient civilization
- sophistication of their arts - the Hanging Gardens of Babylon would be among the Persians' top achievements.
this might be wrong but i believe the purple lines are the railroads. you can knfer that trains were most commonly used as yransport. lots of goods were transported via train
