Answer:
D. physical boundary
Explanation:
Google the himalayas as borders in south east asian countries, you'll clearly see that they exist as physical boundaries between nations such as Nepal and China.
It seems that you have missed the necessary options for us to answer this question, so I had to look for it. Anyway, the answer for this is TRUE. It is true that culture <span>wars not only identify differences in values and norms, but they may also result in violence and strife among members of the same society. Hope this helps.</span>