"I would like to add on also we had to hunt for food. Now u know how life was for us."
"This shows how life was like before agriculture was discovered."
Hunter-gatherers are people who hunt for food. For example, the boy is explaining how they had to hunt for food and find it on their own. Another example is that we billed houses on our own like shelters non permanent. My last example is that hunters existed a long time ago like when the first year of life. Now you know a lot about hunter-gatherers.
You may not know a lot about The Agricultural Revolution read on so you can learn more. For example, they had to discover farming. Another example is that they use domestication if you are wondering about what domestication means it means that they take wild animals and add them to their farm to help them make food. Now you know a lot about The Agricultural Revolution.
Are you wondering about what are some things that improved now after all those things (Hunter Gatherers, and Agricultural Revolution) well if you want to know about that read on so you can learn. For example, one thing they improved on is that swimming I think they improved on that because they used to live near rivers so life can be easier for them to learn how to swim. Another example, is that they learn how to make things with wood like weapons. Now you know about Improved on now.