In 1998, canada’s highest court declared that

The correct answer is “Quebec could not legally secede.”

In 1998, Canada highest court declared that Quebec could not legally secede.

On August 20, 1998, the Supreme Court of Canada ruled that “the National Assembly or government of Quebec do not have, either under Canadian law or international law, the right to effect the secession of Quebec from Canada unilaterally.” But the Court made clear that other states of Canada could negotiate Quebec’s separation if the people from Quebec was in favor.  

the answer is b: the religion they practice.

here's why:

there were many different native american tribes and those with similar characteristics formed a main tribe or nation. each had its own language, religion and customs.