Your assignment is to prepare a research paper in Microsoft Word format (.docx) and APA style 7th Edition (with at least 400 words) that answer the following questions: Why does the United States still use the English system? 

Your assignment is to prepare a research paper in Microsoft Word format (.docx) and APA style 7th Edition (with at least 400 words) that answer the following questions:

1. Why does the United States still use the English system? 
2. When was the last attempt to officially move to the metric system? 
3. Does the use of English measurement units put U.S. companies at a disadvantage when competing on international contracts? 
4. How has software solved the challenge? 
5. Give examples of engineering software that resolves this challenge.