Indeed USA and Brazil were built by destroying pre-Encounter @ecology
"Successful colonization of New England depended heavily on domestic animals. […]
"At least at first, friction between these unlikely neighbors grew less from the very different ideas that informed Indian and English concepts of property than from the behavior of livestock. Let loose to forage in the woods, the animals wandered away from English towns into Indian cornfields, ate their fill, and moved on."
Historian Virginia Anderson in her book "King Philip's Herds: Indians, colonists, and the problem of livestock in early New England" https://feralatlas.supdigital.org/?cd=true&bdtext=feral-atlas-and-the-more-than-human-anthropocene&rr=true&cdex=true&text=fq-creatures-of-conquest&ttype=essay