Geographic barriers, such as mountains, rivers, and oceans, can hinder the spread of cultural traits, while cultural similarities, economic interdependence, and technological advancements can facilitate it.

Cultural diffusion is the process by which cultural traits spread from one group to another through various mechanisms such as trade, travel, migration, and media.

The game of soccer, originally played in England, has spread to become a global sport, demonstrating the power of cultural diffusion.

Assimilation is the process by which a group adopts the cultural traits of another group, often leading to the loss of their own unique cultural identity.

Transculturation is the process by which two cultures blend and create a new, unique culture, incorporating elements from both.

Isolation, or the lack of contact with other cultures, hinders cultural diffusion, while trade, travel, and migration facilitate it.

Dominant culture diffusion is the process by which cultural traits from a dominant culture spread to a less dominant culture, often resulting in the assimilation of the latter.

Subordinate culture diffusion is the process by which cultural traits from a less dominant culture spread to a dominant culture, often leading to the enrichment and diversification of the latter.

The game of cricket, originating in England, has spread to become popular in many countries around the world, demonstrating the influence of dominant culture diffusion.

The game of mahjong, originating in China, has spread to become popular in many countries around the world, demonstrating the influence of subordinate culture diffusion.

Spatial diffusion is the process by which cultural traits spread from one region to another, influenced by factors such as distance, transportation, and communication.

The game of basketball, originating in the United States, has spread to become popular in many countries around the world, demonstrating the influence of spatial diffusion.

International diffusion is the process by which cultural traits spread from one country to another, influenced by factors such as trade, travel, and media.

The game of soccer, originating in England, has spread to become a global sport, demonstrating the influence of international diffusion.

Intercontinental diffusion is the process by which cultural traits spread from one continent to another, influenced by factors such as trade, travel, and colonization.

The game of cricket, originating in England, has spread to become popular in many countries across different continents, demonstrating the influence of intercontinental diffusion.