Question

how is the spread of the potato related to an increase in population in the old world? (1 point)
the potato grows easily in warm, comfortable climates. this means that it grew well everywhere except northern europe, leading to an increase in population.
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.
the potato grows easily in cold, harsh climates. this means that it grew well in northern europe, providing a dependable food source that led to an increase in population.
the potato does not correlate with an increase in population in the old world.

Explanation:

Potatoes are hardy crops that can grow in cold, harsh climates. In northern Europe, which has a colder climate, the introduction of potatoes provided a reliable food source, which in turn supported population growth.

Answer:

The potato grows easily in cold, harsh climates. This means that it grew well in northern Europe, providing a dependable food source that led to an increase in population.