Question

cultural diffusion:
the _____________ of a cultural trait (material object, idea, or behavior pattern) from one _____________ to another

culture region:
areas that have certain traits in _______________ (economy, government, social groups, history, religion, art)
examples: _______________

ethnic groups:
a socially defined category based on common cultural _______________, shared history, language, origin, ancestry, dialect

does culture ever change?

internal factors	external factors

|new ideas
new lifestyles
_______________|environment
_______________
trade
war
proximity to other cultures|

Explanation:

1. For "Cultural Diffusion", it is the spread of a cultural trait from one group/area to another.
2. For "Culture Region", areas with certain traits in common are considered culture - regions. Examples could be Western Europe (shared economic, historical, and cultural elements).
3. For "Ethnic Groups", they are defined by common cultural characteristics like traditions.
4. For internal factors of culture change, "Innovations" are a key one along with new ideas and lifestyles.

Answer:

1. Spread; group/area
2. common; Western Europe (or other appropriate examples)
3. characteristics
4. Innovations