Which city was still part of the byzantine empire when the empire was at its smallest?

Plz 50 points answer only if you know and dont copy from others draw conclusion explain how trade in the east african city-states resulted in a blending of cultures. provide examples

How did african americans the union during the civil war? a. by serving as representatives in congress b. by enlisting in the military to fight c. by organizing massive slave revolts in the south d. by negotiating for peace with the confederacy

The 20th amendment, also called the lame duck amendment, decreased the amount of time between the presidential election and the inaugration of the new president. what are the advancements that allowed for this amendment?