A purple stone traded by ancient merchants in eastern Oklahoma was the obsidian.
In ancient times, pre-Columbian civilizations like the Mayans used obsidian for many purposes, including to make tools and weapons (arrowheads, blades, etc.), as well as ritual and ceremonial objects (for burials for example).
There is believed to have been obsidian trade routes all throughout the American continent, even though obsidian does not itself originate in Oklahoma.
Gatekeeping is increasing more and more. The idea of gatekeeping is that the gatekeeper is the person who disseminates the news towards people, such as news agencies or paper companies or similar things. Since you have companies owning more and more news agencies at the same time, they basically can control what all the different news services will say, which means that anything that would not be considered to be valid news would be prevented from reaching people.
They were sent to camps because Americans were afraid that they were spies in a way this was racist. Hope this helps and plz give brainliest.
Before 1914, many political leaders thought was in Europe could be risky. Government propaganda had worked in stirring up national hatred before the war. In August 1914 most of the people seemed genuinely convinced that their nation's cause was just. Thank you for this question.