Answer:
Bryce Harrington, I believe.
Explanation:
Wikipedia by some teachers are not reliable, but if your teacher allows wikipedia, I totally understand that! The person who created the article was "Bryce Harrington", therefore I would think he was the article-creator. And wikipedia is a source where anyone can edit. But, in my opinion I would say Bryce Harrington is the author or at least the article-creator. The article was created in 2002, on September 24th.
C it tribes moved to reservation in order to avoid white settlers
There were of course several people who held this view, but perhaps the most prominent was Woodrow Wilson, the President of the United States, who pushed for a much more secure Europe after WWI to prevent such things from happening again.
The claim of executive privilege generally relates to communications between the Executive Branch and other branches of government, since these are often the most secret.
This is all very true food luck