Quebec is trying to Canada
because they are concerned about
preserving their culture.
A) sue
B)rescue
C)break away from
D)declare war against

Your answer is C - Break Away From.

Explanation:

Quebec has been trying to secede/move away from Canada for a while due to their French roots and culture preservation. Multiple polls have been taken in Quebec over the years and Quebec seceding is a hotly-debated topic.

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.