It happened because the consuls only cared about their own personal wealth and not for the people. The senate got richer and richer while the people got poorer and poorer. It ended with the rise of the Empire and the rule of an Emperor. The disadvantage was that all of the power was in the hand of a single person and often the Roman emperors were tyrannical.
It's been a while but I believe it's C. Supply and Demand would fluctuate the prices.
Answer: 5,000 years, even though the country wasn't unified
Explanation:
The Chinese formed one of the world's earliest civilization and as a result have a very rich history that goes back around 5,000 years which was way before China was first united under Qin Shi Huangdi, who reigned from 221–210 BC.
China has gone through so many historical events and after the unification under the Qin, records have been extensively kept to show the development of the world's most populous nation.
Marx used the term poor for those people in society who are discarded by society and rich for those in the working class