Discussion: FAA & ICAO

Post to this forum your answers to the following question. APA, with references, and about a page.

What were the driving forces behind the creation of the FAA and  International Civil Aviation Organization (ICAO)?  This question is  pertaining to the airline versus FAA safety responsibilities. How do  these organizations differ in the effort for safety?

You must include the reasons for your answers. In fact, the rationale  supporting your answers may be more important than the actual answers.