What did the first Americans have to depend on for their survial?

The first Americans relied heavily on their environment for survival, depending on hunting, fishing, and gathering for food. They hunted large game like mammoths and bison, while also foraging for wild plants, nuts, and fruits. Additionally, they utilized Natural Resources for shelter, clothing, and tools, adapting their lifestyles to the diverse ecosystems across the continent. Their deep understanding of the land and its resources was crucial for their survival.