Final answer:
The statement about the Ona of Tierra del Fuego is false, as they suffered greatly post European contact. Recruiting native allies was true during the Spanish conquest of the Aztec. Integration of indigenous peoples into modernity often resulted in disruption to their traditional lives.
Step-by-step explanation:
The statement that the Ona of Tierra del Fuego are an example of successful integration into modernization and economic improvement is actually false. The Ona, also known as the Selk'nam, faced severe disruption and were nearly exterminated following European contact and the subsequent colonization and development activities in Tierra del Fuego. The introduction of diseases, appropriation of land, and violent encounters with settlers and gold miners led to the drastic decline of their population and profound disruptions to their way of life.
Regarding the role of recruiting native allies during the Spanish conquest of the Aztec, it is true that alliances with local indigenous groups did play a significant part in the defeat of the Aztec Empire. Many groups who were subjects or enemies of the Aztecs allied themselves with the Spanish, contributing to the eventual fall of the Aztec capital, Tenochtitlán.
Indigenous populations have had varied responses to colonization. Some groups chose to incorporate aspects of European culture for survival, as seen with the Comanche, who used horses and metal weaponry to strengthen their society. However, integration into modernization does not always correlate with economic improvement or societal well-being for indigenous peoples. In many cases, traditional ways of life have been harmed or completely disrupted.