Complex sentence: This list's the main types state that existed in Africa, Americas, Central Asia, East Asia, Europe, Eurasian Steppe, South Asia, and West Asia, from early Classical antiquity to the beginning of Late Antiquity, a period of 800 years.
Split into simpler sentences: This list's the main types state that existed in Africa, Americas, Central Asia, East Asia, Europe, Eurasian Steppe, South Asia, and West Asia. Here is a list of states from early Classical antiquity to the beginning of the Late Antiquity, a period of 800 years.