This is an excellent question! It very clearly shows how (3) The point of view of people influences geographic labels.
There is no doubt about it that it makes no sense for the Chinese to name themselves the Far East, as it doesn't make sense for Europeans to name them the Middle kingdom. It only shows how our point of view relates to geographic labels as well.
William Lloyd Garrison was an American abolitionist who published a newspaper called The Liberator which was an abolitionist piece of literature and kept on publishing until the end of slavery. Reverend Lovejoy or Elijah Parish Lovejoy was a reverend who published anti-slavery articles in various newspapers. He also started an abolitionist paper called the Alton Observer. Frederick Douglass was a leader of the abolitionist movement who had escaped from slavery and was a great orator and wrote very important antislavery writing.
'Within living memory' - ie a witness to the event, grandparent, etc
'Written / photographic account' - ie the event has been recorded either on paper or on film
'Other evidence' - eg archeological dig and interpretation of the results.
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President Nixon believed that President has the privilege of protecting communications.