fill in the blank

Question

Karwankawas & Jumano both hunted buffalo and other game
Apache and Comanche both camped near canyons and mountains to provide protection from attacks.
Esto’k Gna developed early agriculture along the Rio Grande. Their heritage is disappearing quickly due to ______________________. Since they are not recognized by the U.S. Government they have little support in preserving their cultural sites and artifacts.

Answer 1

lack of recognition and support from the U.S. Government.

Answer 2

..... hunting of buffalo virtually to extinction, water shortages, (Rio Grande is just dripping), development of industrial agriculture and cattle herding .......

Answer 3

... encroachment by other communities and industries, modernization and assimilation, displacement from their ancestral lands, and the erosion of traditional practices and knowledge.