A. Trans-Saharan trade network
The correct answer is B. To understand what people want.
Explanation
A market study is a tool to collect information about the public's preference for a product. In addition, with this tool, you can analyze where you are concerning your competitors. Generally, this tool is intended to improve your business strategies thereby increasing your competitiveness. Therefore, a market study is a great option for the XYZ company, because it can replace its products that do not sell very well with others that are demanded by the public. So the correct answer is B. To understand what people want.
The common law system is based on tradition, precedent and custom.
In an economic system with monopolies and cartels that fix the price of goods, the end result for consumers is that consumers are given worse choices and pay a higher price. This is a result of the lack of competition in the market that would drive prices down and offer more choices to consumers.
A multiple-choice test is a good example of a test of: recognition.
Recognition tests sees what a person has been taught before and allows them to pick the appropriate response to a question based on what they've learned previously. When you are picking from a list of choices, you are able to see various answers that could be correct but are expected to be able to decipher between them and chose the right one.