It started in the Mongol Empire and spread via trade routes to all corners of Asia and the Middle East.
Explanation:
The roots of the plague are begun in central Asia, which around then was a piece of Mongol's domain. The Mongols regularly exchange with different realms in all sides of Asia and the Middle East.
The right answer is the third one: the bubonic plague originated in the Gobi Desert, part of the then Mongol Empire, around 1320. It then propagated to China and subsequently to India, Europe and Russia. The disease spread via trade routes mainly as a result of a poor hygiene. It never reached the American continent or Sub-Saharan Africa.
respuesta: Con las herramientas de metal se producían más alimentos. El comercio apareció porque la gente se aburría. En la Edad de los Metales se inventó el carro y el barco de vela.
Explanation :phuntsok Dorje makes a living raising yaks and other livestock on the vast alpine grasslands that ... says Tibet's climate is the most sensitive in Asia and influences the globe. ... but residents say their economy has dried up along with the nearby wetlands.