Respuesta :

The three things taht Khorasu I accomplished as ruler of the Sassanid empire was :
- He built a canal
- He wrote a new legal codes
- He set up a better taxation systems

hope this helps

The most famous kings Khosrau I ruled Sasanian in (501-579 CE, r. 531-579 CE).  Three best things that Khosrau I accomplished as ruler of the Empire were

1.       Was seeking knowledge and gave attention to the academy of Gundeshapur.

2.       Wrote new legal code

3.       Set up a better taxation system