Ceramics were first created
a. for urns to hold the remains of the ancient greek rulers.
b. as a trade materials used by ancient rulers in peace agreements.
c. as a form of art in ancient societies, which displayed advanced culture and richness.
d. for functional uses such as, holding water or to carry grains.

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.

try something like republic or democracy joined or something because its talking about a election party.