What strategy is this ad using to get people to support its product? It claims that everyone agrees that these basketballs are the best.
It details how these basketballs will improve performance.
It provides stats about players who use these basketballs.
It uses a celebrity to endorse these basketballs.

I would need to see the add but since its ab a basketball i would say It uses a celebrity to endorse these basketballs.

Explanation:

Hope this helped!

i believe that the answer to the question provided above is that  establishing smaller ethnic communities within larger communities  gives more chance for people to know each other more but this might lead to the  conflict between groups.