Which of the following is an example of laissez-faire?

Despite immigration of various groups, whites still comprise more than three-quarters of California's population

Indicate whether the statement is true or false

Of the following, who advocated for consumer and environmental protections?

A. Ralph Nader B. Dr. Harvey Wiley C. Senator Estes Kefauver D. Senator Edmund Muskie E. All of these are correct.