Answer:
People realized it is a really helpful technique for influencing people's thoughts and feelings.
Explanation:
<u><em>Hope this Helps! Please Mark Brainliest!</em></u>
<span>World
War I (First World War or Great War o WWI) started on July 28, 1914 and ended
on November 11, 1918, was a war focused in Europe. The war divided two nations:
the Allies consisting of Russian Empire, France, Italy, Japan and United
Kingdom or British Empire against the Central powers consisting of Germany,
Ottoman Empire and Austria-Hungary. The war, introducing new military
technology weapons, had killed an estimation of nine million soldiers in
annihilation, bloodshed and massacre.</span>
False Bill Clinton and Andrew Johnson have been impeached as presidents