Part 2/11:
The invention of the wheel made it easier for people to transport goods and travel. The use of fire allowed people to cook food, stay warm, and ward off predators. The stone ax made it easier to cut down trees and clear land for farming. The invention of writing enabled people to record and share information, leading to the development of early civilizations and the creation of written records of human history. The development of metalworking allowed for the production of more durable and efficient tools and weapons, leading to significant improvements in agriculture and warfare.