Explanation:
In 500 years, their agricultural skills became increasingly efficient through the use of irrigation and iron farming tools. Eventually, their farms provided more food than needed by the community, encouraging farmers to trade crops such as millet and rice, for other goods
B. Race riots in Chicago and other cities
Hitler was good at fighting a one front war. However when he had to split his forces it weakened his army and his ability to lead because he had two different armies in two different places.
Hope this helps you.
The last one, "The Native Americans fought on land they knew."
