The establishment of the Public Company Accounting Oversight Board (PCAOB) in 2002 was a major step toward

Question:

The establishment of the Public Company Accounting Oversight Board (PCAOB) in 2002 was a major step toward strengthening the auditing function in the United States.
Required:
What can the PCAOB do to strengthen the auditing function in the United States? Provide examples of two key steps it has taken so far to achieve this.