The anwser is:
Dictatorship
governed by a dictator, or supreme leader
The empire began to weaken after Rome conquered Egypt and eventually collapsed sometime in the 300s CE. The Kingdom of Kush had two different capital cities. The first capital was Napata. Napata was located along the Nile River in Northern Kush.
He wanted continued control over Eastern Europe for his own benefits rather than for its people trying to influence other countries into becoming communist as opposed to democratic, this became know as the Iron curtain, the official division between USSR-communist and the US- democratic as the USSR tried to expand and gain more control.
Threats of war with France and England.