Answer:
Explanation:Leapfrogging :)
I think the civil rights act of 1964
Lack of direct sunlight hope this helps!
<span>The Byzantine Empire made its most important contribution to us by preserving much of the Greco-Roman heritage. Given the fact that the Emperors of Byzantine saw and maintained a great deal of their origins from the later Roman Empire, they managed to preserve major institutions such as the Senate, rules of law, etc.</span>