The Qin introduced common coinage, meaning a form of ´fiat´ currency backed by the central government. It was called a ´ban liang´, and they could be issue by local nobles as well as by the emperor. A system of coinage is important for the unification of a massive empire because it facilitates trade and the recollection of revenue for the central government. As such, it becomes easier to raise a common army, which is essential for unification of different warring states.
Answer: a. chance variation is less likely to affect the results
Explanation:
The correct option is C.
Evidence based tools refers to those tools which have been used by other researchers and which have been declared valid and feasible for research use and real time use.
When you want to use an evidence based tool, you have to ensure that the tool has been used in a situation that is similar to your own, this is necessary in order to obtain valid and accurate result.
Answer:
Democracy is one of the many different kinds of government that are used worldwide. Democracy establishes a system in which people are involved in the decision-making process. Because that is a very broad definition, democracies look very different from country to country. There are three political theories guiding the functioning of a democratic government.
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