How do the U$.$S$.$ standards for ethics and social responsibility compare to those in less$-$developed countries?

Multiple choice question.

Less$-$developed countries have far more standards than does the United States.

There is not much difference between the standards in the U$.$S$.$ and those of less$-$developed countries.

The U$.$S$.$ standards are more flexible than those in less$-$developed countries.

The U$.$S$.$ standards are stricter than those in less$-$developed countries.