In the na culture of china, a little boy grows up very close to one of his male relatives. everyone expects a strong degree of influence between this man and the child. this role model male relative is the boy's:

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.