Final answer:
Cultures develop through interactions with other cultures, as well as through the diffusion of ideas and inventions.
Step-by-step explanation:
The interaction and development of cultures is a topic studied in the field of Social Studies. Cultures develop through interactions with other cultures, as well as through the diffusion of ideas and inventions. Cultural change is not linear but occurs in various ways, such as the adoption of new practices or the revival of older ones. This diversity of cultural development leads to the uniqueness of each culture's history.