What did humans do 1 million years ago that was absoultely vital to evolving into a stronger species?

Around one million years ago, early humans began to develop and utilize more sophisticated tools, which significantly enhanced their ability to hunt, gather food, and process materials. This technological advancement allowed for greater efficiency in resource acquisition and survival. Additionally, the control of fire became crucial, providing warmth, protection, and a means to cook food, which improved nutrition. These innovations laid the groundwork for social cooperation and communication, further propelling human evolution and adaptation.