The invention of the wheel by the Sumerians revolutionized the transportation. Wagons could be used to carry heavy loads. The Tigris and Euphrates rivers made transport of goods easy and economical. Riverboats were used to transport goods for trade. Strong currents moved the boats downstream, but because of the current they could travel in one direction only. The boats had to be dismantled after the trip downstream. The Mesopotamians used three types of boats: wooden boats with a triangular sail, the turnip or Guffa boat which was shaped like a tub, made of reeds and covered with skin, and the kalakku which was a raft of timbers supported by inflated animal skins.
Answer:
Buddhist holdings, is the right answer.
Explanation:
Wuzong succeeded Wenzong in 840 CE. Wuzong reaped Han Yu's critique of Buddhism earnestly and organized government oppression of all faiths other than Taoism. He mentioned the claim of Han Yu's that Buddhist monasteries and synagogues were only fronts for maverick conductors and had them closed. In the years between 842-845 CE, Buddhist priests and nuns were assassinated or forced from their shelters at the abbeys.
Answer: if this about the "Colombian exchange", one effect was that it brought destructive diseases that depopulated many cultures.
Explanation:
Development of scientific method