From the given options of copper wood, stone and steel, the material that Columbians did not use was Steel.
The early Columbians were quite skilled in craft making and used a variety of materials.
Palm threads were some of their most favorite and they used them to hats, bags, and even baskets. They did not however use steel as they had no access to it.
In conclusion, the answer is steel.
Find out more on Columbian crafts at https://brainly.com/question/26426387.
