challenge: What was a significant outcome of the Investment Company Act of 1940?
  
  A. The deregulation of the U.S. investment industry
  B. The creation of a new regulatory body to oversee U.S. investment companies
  C. The establishment of new tax laws for U.S. investment companies
  D. The requirement for all U.S. investment companies to register with the Securities and Exchange Commission (SEC)
  Answer: 