Answer:
D. Stronghold's mission is to inspire Lakota youth by providing opportunities within the arts and sports for creative expression, and skateboarding is one way to accomplish this goal.
Step-by-step explanation:
The Stronghold Society built skateparks in Manderson and Pine Ridge to mobilise the youth of the areas into doing something they love and enjoy. They wanted the kids from the reservation areas to have a place to go where they can have fun and find creative things to do.
The greatest mission of the Stronghold Society was is to inspire Lakota youth by providing opportunities within the arts and sports for creative expression, and skateboarding is one way to accomplish this goal. The society wanted to inspire the youth all over the country through skateboarding, art, sports, music and photography.