Final answer:
All options given - diffusion, communication, invention, and calamity - are sources of cultural change. They interact in complex ways to drive the evolution of cultures, with inventions like the internet having particularly widespread impacts.
Step-by-step explanation:
The sources of cultural change include diffusion, communication, invention, and calamity. Each of these factors contributes significantly to the way cultures evolve and change over time. Diffusion refers to the movement of cultural elements such as norms, values, and practices from one society to another through interactions like migration or trade. Communication technologies, such as the internet and smartphones, play a critical role in spreading ideas and altering the way individuals and societies interact. Meanwhile, invention involves the creation of new cultural elements, which can lead to momentous shifts in societal behavior. Lastly, calamities such as natural disasters or wars can also precipitate cultural change by necessitating new ways of living or altering societal structures. Therefore, the correct answer to the question is e. All of these answers are correct.