Throughout this course, you've studied the concept of centralizing governmental power. In this process, large amounts of land and people come under the control of a single government. What might be the advantages to a society that centralizes its government (such as the Sui Dynasty in China) compared to a decentralized system (such as Ancient Greece)?

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

he risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation:

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