Jennifer has been diagnosed with spinocerebellar degeneration. the first stage of the disease involves tremors and unsteady gate. in the later stages, she will be unable to stand, walk, and will be uncoordinated in her movements. this disease affects the part of the brain called the

Cerebellum

Explanation:

The cerebellum is the organ that regulates the balance and body posture of people. In addition to establishing body balance, the cerebellum is stimulated by muscles and tendons and has the function of controlling motor activities and maintaining muscle tone, being essential in the performance of voluntary movements and motor learning, in addition to having essential function in touch, vision and hearing. Spinocerebellar degeneration is a progressive degenerative disease that affects the structures of the cereberus, preventing it from functioning properly.

think its caste system

explanation:

i believe the answer is: returns on investments, no wages

people who belong in upper class society would most likely get there by obtaining multiple source of income, which a certain percentage of ownership for businesses. since most of them are job creator, they would most likely get their money from profit, not wages.