Which describes a geographic factor that has made it difficult for a country to remain independent?
a) a country located on a large plain
b) a country with ocean boundaries
c) a country located in high mountains
d) a country with harsh climate

A country with harsh climate describes a geographic factor that has made it difficult for a country to remain independent.

Option D

Explanation:

Certain geographical conditions are very important for a country to sustain life and develop it's trade and business. But a country that has harsh weather conditions that is extreme cold or extreme hot weather conditions might become a hindrance for the country to develop and become independent because it becomes very tough to do any kind of work in such weather conditions.