In south america, the dominant culture in the region is seen as a hazard to the way of life of the native americans, weakening their

I think that the "dominant" culture here is the Spanish-language, Latino culture, which is slowly taking over the indigenous cultures, for example by replacing their languages and religion (Christianity instead of the indigenous religions).

I would finish the sentence with "culture" or "religion"  or "self-esteem".

There can be more freedom for them

Answer the government provides "unemployment insurance"