What were some of the great achievements of the Byzantine Empire?

Some of the achievements of the Byzantine empire include protecting Europe from eastern invasions, preserving Greek language, preserving Roman traditions, production of fine art with distinctive style, protecting the Christian Orthodox Church, their cities had plumbing which is still in use, and much more

Explanation:

I hope this helps! looked it up

answer; fair labor and standard act;

what's this it's not giving you what have to do.