What does the term law of blood mean

citizenship law stating that all or nearly all persons born to citizens of a given state are themselves citizen of that state, regardless of where they were born. Some countries (including the United States) also follow the law of the soil in addition to the law of blood.

Explanation:

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.