Answer:
C is the correct option.
Step-by-step explanation:
It can be defined as the spread of the cultural beliefs and the social activities from one group of people to another. People become culturally rich through cultural diffusion. Due to advanced communication the mixing of different religions, nationalities the cultural diffusion has increased. People living around the world can communicate with other people and they become more aware of the culture of people from different regions. It helps people to open up their minds and learn as much as they can from other cultures.