Final answer:
Neo-evolutionism was a theoretical framework that emerged in the 1940s and lasted through the 1970s, which sought to explain cultural and societal changes in human populations using evolutionary principles.
Step-by-step explanation:
Neo-evolutionism was a theoretical framework that emerged in the 1940s and lasted through the 1970s, which sought to explain cultural and societal changes in human populations using evolutionary principles. It focused on understanding how societies and cultures evolve and adapt over time in response to their environment. Neo-evolutionists believed that societies went through distinct stages of development and that cultural change could be explained through the accumulation of adaptive traits.