Answer:Archduke Franz Ferdinand of Austria, heir to the Austro-Hungarian throne and his wife Sophie, Duchess of Hohenberg were assassinated in Sarajevo on 28 June 1914. They were shot to death by Gavrilo Princip, a Bosnian student and member of the Serbian secret society "Black Hand".
Explanation:
Her expression was to show off her heritage by wearing a conterversial flag dress to the prom. The school banned her because they told her not to wear the dress and she still wore it.
Most of the reason Europe was able to imperialize other nations such as Asia and Africa was because of advanced weaponry and being more powerful. During the time Europe felt it was their duty also known as white man's burden to imperialize other nations that they felt were inferior to them.
They were surprised because President Johnson was a southerner. He also didn't have the best records on racial matters.
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The colonists didn't like this act and found it outrageous