Help please i need to turn this in so that i dont have a f

D. They created an economy based on trade.

Aksum or Axum is known as the Trade Kingdom, although through the visitations of many diverse leaders, they adopted many cultural adversities.

i think it is the byzantine empire

besides the fact that abraham lincoln abolished slavery, and greatly benefit black people, he had a heavy impact of the definition of what democracy was, and should be.