European nationalism during the late 19th century led most importantly to World War One. The Kaiser in Germany sought, through a new heightened sense of nationalism, to expend Germany's territory.
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George Creel headed the Committee on Public Information
during the time the U.S. joined the First World War. They used every method
within their disposal to convince Americans to support the war effort. They used printing posters, radio programs
and even the movies to convince public opinion that it was necessary for
America to take part in the war.
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Answer:
Because it is important to know who will excersise the power, all governments need a continuity plan as well as enterprises to endure over time.
Explanation: