When there is rule of law there are procedures to make sure the law is?

According to thorstein veblen, a successful businessman would be most likely to demonstrate his worth to others by:

Name that largest artificial lake built in the 11th century

Francine, a college freshman, has agreed to participate in a psychology research study. before she begins her participation, she reads a statement written by the researcher explaining the purpose of the research and the potential risks of participation. it also explains that francine is free to withdraw from the research at any time. in providing francine with this statement, the researcher has followed the ethical guidelines of for participants.