How important are these ethical principles today and why?, sociology homework help

The United States has regulations in place that ensure human subjects are treated with dignity and respect when research is conducted. The three guiding principles for protecting human rights in research are respect, beneficence and justice. In addition, the three methods for protecting human rights in research are confidentiality, anonymity and informed consent.

Please answer my question below: 2 paragraph minimum please

How important are these ethical principles today and why? Be sure to provide some insight regarding the historical significance as well.

This question relates to chapter 2 on the book link provided.