Why did state and federal governments begin contracting private corporations to build and run prisons?

In recent years, there have been two major criticisms of congress and how it promotes the public good. describe these two in two paragraphs

If the light is green as you approach an intersection, you should: a. cover your brakes b. expect it to change soon c. speed up to enter the intersection

Asubject in a clinical research trial experiences a serious, unanticipated adverse drug experience. how should the investigator proceed, with respect to the irb, after the discovery of the adverse event occurrence? a. do not report the adverse drug experience to the irb since it is a common adverse experience. b. report the adverse drug experience to the irb only if there are several other occurrences. c. report the adverse drug experience as part of the continuing review report. d. report the adverse drug experience in a timely manner, in keeping with the irb's policies and procedures, using the forms or the mechanism provided by the irb