C because the US wanted to own everything (I passed advanced US History with straight A's bruh)
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:
<em> did it</em>
At the turn of the century, many countries were rich, people believed that social justice was being ensured and that countries were prospering. Others lived in fear because they were aware of the militaristic policies and they noticed that the militaries of all countries increased twice in size. Everything seemed as if things were going well while in reality people were preparing for a mass scale war which resulted with WW1.