American industry first used machines to do work previously done by hand is letter D which is cotton farming. Cotton has been in American industry since 1500's documented from sightings by the Coronado expedition 1540-42. White Gold is the appropriate term for cotton, <span>the natural fiber which continues to play an important role in the United States economy.</span>
Answer: Kublai Khan was the grandson of Genghis Khan and the founder of the Yuan Dynasty in 13th-century China. He was the first Mongol to rule over China when he conquered the Song Dynasty of southern China in 1279. Kublai (also spelled Kubla or Khubilai) relegated his Chinese subjects to the lowest class of society and even appointed foreigners, such as Venetian explorer Marco Polo, to important positions over Chinese officials. After failed expeditions against Japan and Java, his Mongol dynasty declined toward the end of his reign, and was completely overthrown by the Chinese after his death.
When Kublai was 17 years old, his father died. At that time, Kublai’s uncle, Ogodei Khan (third son of Genghis Khan) was the Great Khan and ruler of the Mongol Empire.
It would be the states. Hope I helped!
Because slaves had no direct incentive to work hard, slaveowners combined harsh penalties with positive incentives.
Answer:Farmers focused on growing traditional crops.
Explanation: