Increasingly, over the second half of the twentieth century, people in every nation

Cultural leveling

Explanation: A systematic change over time whereby existing differences in cultural behavior, ideas or values become gradually eroded, and being replaced by values and norms of the dominant culture. Cultural leveling is usually attributed to the observed traces of western cultural values or ideas in regions whose culture vary distinctly from that of the western world in times past. In the context above, it shows how the adoption of a dominant culture has gradually and systematically influenced the cultural values of other cultures of the world, with recessive cultural groups now showing similarity in ideology to that of the dominant culture.

it would be D

Explanation: