I think the answer is C. Hope this helps
The most dominant ethnic group in Russia are the Slavic people - a.
The Slavs represent the majority ethnic group of Russia and have been doing so for the past couple of centuries - this is also the reason why Russia has developed such good connections with other slavic nations.
Answer:
when my friend was smoking secretly
I used him to make understand about the upcoming problems
I made him. to understand. his responsibility
finally after 6 months he completely stopped smoking and he is our class topper and helped me a lot in my homework also.
now I am happy