Answer:
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
C. Progressive ideals.
Republican parties usually enforce or take part in a progressive process.
The answer to your question is,
2/3 vote by both houses
-Mabel <3
They did many nationalist rallies and promised economic balance