911 was one of the most tragic event in modern history to happen what is believed to happen is that two plan crashed into the twin tower cause them to fall and the other plan would have crashed into the White House if some of the passengers had not taken upon them self to turn the plan a different way to stop it from hitting the White House
Answer:
There were several trade networks allowed in the life of people in Byzantine to trade and leave if they attacked.
Used my own words btw
Explanation:
I am pretty sure your answer is B