Important progress was made, such as full development of the decimal place-value system to include decimal fractions, the first systematized study of algebra, and advances in geometry and trigonometry. Arabic works played an important role in the transmission of mathematics to Europe during the 10th to 12th centuries.
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Ghana has a diverse and rich resource base including the deportation of technology goods and automotives.
Chinese Rebels overthrew the Mongols
Answer:
- Upper Class – Elite.
- Upper Middle Class.
- Lower Middle Class.
- Working Class.
Explanation:
In the Middle ages, society was composed of three orders of people: the nobles, the clergy, the peasants. The next highest level in the medieval social structure was the lords or nobles. The lords were given the responsibility of estates by the monarch. In exchange for this land, the lords gave the king their loyalty and military support. On their land, the lords grew crops and were able to keep some of them for themselves. Also, the lords were able to keep the profit that was made from selling the crops. The lords of the manors were responsible for maintaining the order of their land, enforcing the laws, and keeping the serfs safe.
The factors that encouraged commercial growth in the post classical era include the following: new state practices, new trading organisations and new state sponsored commercial infrastructures. The post classical era refers to the period which immediately followed the ancient history and precede modern history.
