The answer is 3. I should know, I just studied this.
The main purpose of the Articles of Confederation was to establish numerous states as well as a government in the hopes that American could develop into a strong nation with a strong presiding government. It was not very successful because it established a weak government that was not well fit to control a nation.
Hope this helps
Answer:
A & B
Explanation:
They used their new food to increase their population and then spread their knowledge to all of Africa. More food meant bigger populations, which led to cities.