Humanity is consistently and always evolving to meet there needs and demands. Humanity will have to evolve to changes in the environment and society. It has survived many problems in the past and it has changed for the better from those experiences. Humans have lived extreme times in earth’s history such as the last ice age and the bubonic plague. And so they have adapted to these events and have gained experience and evolved for the better. One main ideas of this book is this book is that mankind is always changing to be more efficient and to adapt to different events. The author writes of many events in worlds history such as the world wars and epidemics that have killed millions of people. And because of these events humans have to find vaccines/cures to dieses and create new types of technologies. So we have found solutions and advanced for the better of mankind. This proves the idea that humans are consistently evolving and changing. This idea is connected to modern times for example we develop and release new techonologies such as phones and computers on a weekly basis.
Another main idea of this book is that can not keep up with the demands of its all people consistently. And so will go through periods of collapse and great hardships. As stated in the text the historian says “Humanity will never be able to fulfill the demands of its entire people” This is true as we do have the resources to provide for all of the world’s people. And so we go through periods of collapse like the great depressions. During this time many people lost their jobs and many families went hungry. This was a horror but we were able to recover and prosper once again proving that mankind is always evolving to meet demands.
And finally the last main idea of this book is that agriculture has allowed for people to focus on other things then food. The author writes about how once agriculture was discovered people were able to learn new