Question

Which of the following contributed most to early people ability to produce food

Answer 1

probably rivers and water sources, because you need water to farm, and the water by rivers is rich and the soil is good. So yea the rivers and other water sources would be the main thing.

Answer 2

The answer is "The end of the Ice Age."

I had this question multiple times in my tests and I finally figured it out. There you go guys. :D