The following responses accurately reflect how the shift to farming affected Native American cultures:
- Farming encouraged native cultures to build more permanent shelters and communities.
- Agriculture provided a surplus of food, allowing for an increase in the population.
The other options, regarding immunity from diseases and the idea that farms spread communities too thin, do not accurately represent the primary impacts of the shift to agriculture in Native American cultures. The establishment of farming typically resulted in more interconnected communities rather than spreading them too thin.