Answer:
C. Forcing soldiers to spend time in foreign lands.
Step-by-step explanation:
Cultural diffusion is the spread of the beliefs, practices, or items of one culture to different ethnicities, religions, nationalities, etc. An example of cultural diffusion are Chinatowns - areas with people from China, Taiwan, Hong Kong, and Macao that exists all over the world. Authentic food from these Asian countries can be found here.
When it comes to this question, the correct answer is C. War leads to cultural diffusion by forcing soldiers to spend time in foreign lands. As time passes, their customs may start affecting the people who live there, leading to cultural diffusion.