Which Country Won the Rugby Championship 2018 for the sixth time by beating Argentina 35-17 win in Buenos Aires?

Question

Accepted Answer

New Zealand. New Zealand won the Rugby Championship in 2018 because they defeated Argentina with a score of 35-17. Swaziland is incorrect as it did not win the championship that year. Finland is incorrect as it is not a major rugby nation and did not win the tournament. Iceland is incorrect as it did not win the Rugby Championship in 2018.