Because it had stronger pharaohs and had improved trade and transportation.
Djenne- daro
The Tang dynasty was in power from 618-907. They were very powerful and the kingdom lasted 289 years.
Songhai.
VOCARE AD REGNUM MEANS "to call to the kingdom of"
Yes. Charlemagne was born in the Frankish kingdom circa 742 AD and died in 814 AD.
The Byzantine Empire.
Aksum
Charlemagne
In about AD 350, the army of Aksum's King Ezana (AY-zah-nah) destroyed Meroë and took over the kingdom of Kush.
The Kingdom of Kush was invaded by the Kingdom of Axum, which is located in present-day Ethiopia and Eritrea. The Axumites, motivated by trade routes and territorial expansion, eventually destroyed the capital city of Meroe around the 4th century AD. This invasion marked the decline of the Kushite Kingdom, which had previously thrived as a powerful entity in northeastern Africa.
kongo,great enclosure,great Zimbabwe
Kutai in Kalimantan (Borneo) island. The kingdom was established around 200 AD.