Multiple choice How did trade help Neolithic people make stronger tools? They built thick, stone walls around their communities. They developed sturdy muscles by walking long distances. They learned from nearby villages how to work with metal. They got special materials such as obsidian from other areas. Reveal answer Fill a bubble to check yourself D Correct answer Explanation Trade networks allowed Neolithic people to acquire materials not found in their local area, such as obsidian, which is a volcanic glass that can be fashioned into extremely sharp, strong tools.