Which major accomplishment were achieved within the persian empire

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.

where are the statements?

consider an orange peel: if you want to try and lay it flat, you have to stretch it, we know exactly how things are being stretched or squashed at any given point. we have many different map projections because each has different patterns of some projections can even preserve certain features of the earth without