What was the name of the u. s. war between the union and the confederacy? a. civil war b. world war ii c. war of 1812 d. revolutionary war

The answer to your question is (A. Civil War)

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.