language revitalization programs

According to your readings, why did the Māori AND Native Hawaiians set up language revitalization programs?  What was this in response to?  What where the goals of their programs and why is this important?

Your answer must be 500 words minimum.  You must cite both your readings, using examples from them to demonstrate your points and show me that you understand the material.  If you use direct quotes, you must also cite the page numbers.