Read “End-of-Chapter Application Case: Nationwide Insurance Used BI to Enhance Customer Service” at the end of Chapter 1 in the textbook, and answer the following questions.

1. Why did Nationwide need an enterprise-wide data warehouse?
2. How did integrated data drive the business value?
3. What forms of analytics are employed at Nationwide?
4. With integrated data available in an enterprise data warehouse, what other applications could Nationwide potentially develop?

Note:Need 700 words with apa format with references.

attached text book. go through the chapter one.