Some were, but generations of cultural genocide, land theft, and economic pressures meant that many domesticated crops and practices were lost. For example, it was illegal in many places for indigenous americans to eat any “indian” food or to grow, hunt, or collect any of their traditional foods. They were forced to work for low pay and spend money to buy western foods, or they were forced to stay on reservations and rely on federal food programs
Americas have grains they just largely weren’t domesticated.
Some were, but generations of cultural genocide, land theft, and economic pressures meant that many domesticated crops and practices were lost. For example, it was illegal in many places for indigenous americans to eat any “indian” food or to grow, hunt, or collect any of their traditional foods. They were forced to work for low pay and spend money to buy western foods, or they were forced to stay on reservations and rely on federal food programs