The byzantine empire had many roads and waterways, as did the Roman Empire. They both had sets of authoritative institutions. They were both centers of commerce. Ancient Rome and Byzantine both manufactured many goods. Both of their economies relied heavily on industry and trade.
Farmers struggled with low prices all through the 1920s, but after 1929 things began to be hard for city workers as well.
I’m pretty sure the answer is nomads sorry if I’m not correct
Mohammed suffered from certain qualities