lived

ca farmers primarily cultivated potatoes, maize (corn), quinoa, beans, and squash, adapting their farming techniques to different altitudes and climates. How did Inca farmers organize their agricultural work? Inca farmers worked collectively in a system called 'ayllu

governance. Population Growth and the Spread of Humanity Demographers estimate that by the year 1 CE, the global population was around 300 million people. This number grew slowly for centuries due to challenge