How is the spread of the potato related to an increase in population in the old world?

A. The potato grows easily and warm comfortable alignments this means that it grew well everywhere except northern Europe leading to an increased population
B. The potato does not grow easily outside of the Andes this means that it did not lead to an increase in population in the old world
C. The potato grows easily and cold harsh climates this means that it grew well in northern Europe providing a Dependable food source that led to the increase in population
D. The potato does not correlate with an increase in population in the old world

C. The potato grows easily in cold harsh climates, which provided a dependable food source in northern Europe and ultimately led to an increase in population.

C. The potato grows easily in cold harsh climates, which means that it could be cultivated in northern Europe. This dependable food source provided by the potato led to an increase in population in the old world.