In the context of the Fourth Amendment, the courts have ruled that:.A. Recordings by the FBI of various telephone calls made by a U. S. citizen from a public phone booth do not violate an individual's privacy. B. Federal agents can listen to phone conversations of U. S. citizens. C. Without a warrant without a reasonable expectation of privacy, there is no privacy right. D. The Fourth Amendment is no longer valid.

C. Without a warrant without a reasonable expectation of privacy, there is no privacy right.

the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.