Answer:
Chuska and San Mateo mountains.
Explanation:
The strontium isotopes indicate that timbers and logs used to build houses and infrastructures at Chaco Canyon came from Chuska and San Mateo mountains.
These mountains are about 100 kilometres away from the canyon and Strontium ratio from the Chaco canon's dust, water and bedrock reveals that these construction beams were from the Chuska and San Mateo mountains.
Answer: The answer to this question is C .
Explanation:
The most important advantage in the north was the industrialization. This was the most important because weapons and other equipment were easier to manufacture.
The most important advantage of the south was that they were fighting on their land, so it was familiar to them. This was the most important because the southerners were in a space that they knew/could navigate better.