What were the 5 classical civilizations in asia and the americas

The Roman, Han, Persian, Mauryan, and Gupta empires created political, cultural, and administrative difficulties that they could not manage, which eventually led to their decline, collapse, and transformation into successor empires or states.May 9, 2020

Explanation:

im sorry i dont know a lot of this but ill try my best

h,c.b.e.d.f.a.g

answer; construals;