Well, here is a hint. Anything ending in (.com) is not usually trustworthy, because they are usually trying to sell something, or are just not accurate. (.gov) is trust worthy I guess, but they are telling you what you want to hear. (WIKI IS NOT TRUSTWORTHY AT ALL) (.edu) would be the best, or (.org)
In the case Schenck v. the United States the US Supreme Court ruled that it is acceptable for the government restricts information released by the press when the information is posted as a clear and present danger and may threaten national security for example.
In 1887, the government made a new policy under the Dawes Act. It was designed to force assimilation by separating Native Americans from their tribal affiliations. They were then turned into farmers, and American citizens.