Correct Answer: Rule of Law, Regulatory Efficiency, Inflation, Foreign direct investment

Solution : The correct answer is the Rule of Law, Regulatory Efficiency, Inflation, and Foreign direct investment.

The "four freedoms"—freedom of movement of people, capital, goods, and services—are the focus of the single market. This is accomplished through a set of uniform laws and regulations that every member state of the EU is required by law to abide by. People are free to work, produce, consume, and invest however they want in a society where the economy is free.