This valley is part of the Fertile Crescent.
Brady
During his reign, Kublai Khan decided to invade Japan. There was no really a justified reason for a such a move, as he was aware that his soldiers will come across a strong defensive line, and economically it made no sense, but that us what he had in mind and tried to achieve it.
He gathered a big fleet, and send a big Mongol army to invade Japan. The Japanese samurai were aware of it and were waiting on the coast for the enemy to come. The Mongols would have probably won with ease because of the sheer number of the soldiers, but than mother nature took things in her hands. A strong typhoon emerged just as the Mongols were about to reach the Japanese coast, and it destroyed their boats, and most of the soldiers drowned. The ones that managed to reach the coast were slathered, and Kublai Khan was left embarrassed by his actions.
Answer:
Farmers built up the banks
Answer: banks
Explanation:
