B) Truman Doctrine.
I hope this answer is right.
The best answer would be: Ethnicity
Most of the rainfall occurs in this season, and the rain can<span> cause severe </span>floods<span>. The sun is often occluded during the monsoon season. ... Areas near the Himalayan foothills </span>receive<span> heavy rainfall whereas those eloigned from them are hot and dry.</span>