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Why did constant movement limit the size of villages and the accumulation of material wealth among South American nomads?

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distribution of aboriginal South American and circum-Caribbean cultural groups — South American nomad Distribution of aboriginal South American and circum-Caribbean cultural groups.

For South American nomads, the necessity of constant movement within prescribed territories was a fundamental constraint on their way of life. Because these groups relied on hunting, gathering, and fishing with limited food production technology, they were required to travel frequently to exploit available resources across their environment.1

This requirement for mobility directly prevented the establishment of large, permanent villages, as groups could not remain in one location long enough to sustain a sedentary population. Furthermore, the need to travel light meant that the accumulation of material wealth was impractical. Possessions had to be portable to facilitate movement, which discouraged the development or storage of heavy or excessive goods. Consequently, these groups maintained simple social organizations and minimal material belongings, as their survival depended on their ability to move efficiently through their territories.1