A) The south needed the slave population to grow labor intensive tobacco, cotton , and rice.
The south’s economy depended on agriculture and the North’s economy was more industrial
Answer: At its greatest extent it included all of modern-day Mongolia, China, parts of Burma, Romania, Pakistan, Siberia, Ukraine, Belarus, Cilia, Anatolia, Georgia, Armenia, Persia, Central Asia, and much or all of Russia. Many additional countries became tributary states of the Mongol Empire.
The reduced motivation and effort shown by individuals working in group is called social loafing. Social loafing is when person who is part of some group not invest enough effort and she is not motivated to achieve a common goal. This type of people are more productive when they work alone.