Sociological Perspective  This paper needs to be in APA format, it should be at least

Sociological Perspective  
This paper needs to be in APA format, it should be at least 750 words. You need to have at least 2 references and one citation per reference. The word count does not include your title page and reference page. Must be submitted as a Word document.
1. Please define what an open and closed system is in regards to a country.2. Is the United States open or closed?3. Pick one of these sociological perspectives (functionalist, conflict, behaviorist, symbolic) and discuss the type of system the United States is and why it works the way it does.