Agriculture led to an increase in the size of the human population. which of the following was the most important impact of agriculture on the human population size?

It stabilized and increased available food supplies.

Explanation:

The options are

It stabilized and increased available food supplies.

It decreased the negative impacts of storms.

It reduced accidental deaths from hunting.

It made people better able to resist disease.

But, out of them all, the most important impact agriculture made was that it stabilized and increased available food supplies, making it a regular and huge  quantity of food per year. That led to the increase of human population, given that there were food for more people, and it involved making life less nomadic and more sedentary which, in addition, created settlements and communities.