Why is it difficult to determine which countries belong to Europe and which belong to Southwest Asia?

This is because there is a cultural overlap between Europe and Southwest Asia, making it difficult to determine which country comes from where. Hope this helps! :)

Explanation:

because Asia and Europe are very close to each other and since some of Asia’s country are huge they kind of mix in Europe making it differently to know which country belongs in Europe.

Explanation:

answer; i believe the correct answer is (fluctuated);