It would be important because majority of political power and money was there
When comparing and contrasting an ancient government with the current US government I would recommend looking at the government of Ancient Athens, since Athens had a democracy like the US, except theirs was a "direct democracy," instead of a "representative" democracy--which would make this a good comparison point.
The cotton gin was an important invention because b) it inadvertently led to the spread of slavery. This was because the demand for cotton grew even more, due to the cotton gin being produced in masses. The cotton gin is "a machine that quickly and easily separates cotton fibers from their seeds, allowing for much greater productivity than manual cotton separation."
There began to be a shift from mostly German immigrants to mostly Irish immigrants
Answer:
By examining graves at Chaco Canyon, archaeologists found evidence of warfare, cannibalism and scalping. There was also evidence that shelters were built in protected places, possibly to defend themselves against enemies.
Explanation:
The archaeologists discovered that over time there were fewer and fewer pinion and juniper trees. Then, the trees completely disappeared. Since pinion and juniper were used for firewood and food, that means that humans had to adapt to living in treeless scrub. When trees are cut down, the land is warmed more by the sun, creating dryer, hotter weather. The packrat nests also showed us that game was getting scarce and that people were eating rabbits and mice instead of deer.