The Black Sea was the waterway most controlled by the Byzantine Empire during its height and most of its existence. Constantinople which is nowadays know as Istanbul was the capital city of the empire and it was located in the Bosphorus strait, which is the connecting link between Mediterranean Sea and the Black sea.
That geographical area was a strategic point for commercial routes between Europe and Asia, and it was also military disputed due to be considered the entrance to Europe for eastern invaders.
Answer:
Saladin. he was the leader.
In South America, there are many corrupt governments and violent gangs. The governments were put there by the Soviets or Americans. It was the Cold War (which was about influence) and so they put many governments in charge. This lead to mass immigration to the U.S were life was easier and Texas just so happened to have the largest border with Mexico than any other state.
The answers are A, C, and D. Hope this helps!
Constantinople changed to Istanbul after falling to the Ottomans. Istanbul is the name for the city now, too. I hope this helps!