The enforcement clause of the fourteenth amendment states that congress has the authority to
1.grant citizenship to people.
2.change the constitution.
3.enforce only the bill of rights.
4.make laws to apply the amendment.

they encountered severe weather for which they were poorly prepared.

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.