The tool employed by Indians to modify vegetation in the forests and grasslands in the Americas prior to 1492 was the fire.
This is further explained below.
What is vegetation?
Generally, The distribution of different plant species over a landscape is one example of vegetation, which may be conceptualized as a patchwork. It encompasses a wide range of living forms, including woody plants like trees and shrubs, herbaceous plants like grasses and forbs, and non-vascular plants like mosses.
In conclusion, Before the Europeans arrived in the Americas in 1492, Indians used fire as their primary tool for modifying the flora in the Americas' woods and grasslands.
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