World War I broke out in 1914 - formally, on July 28, when Archduke Franz Ferdinand, heir to the Austro-Hungarian Empire, and his wife, Sophie, were murdered in Sarajevo, Serbia. The declaration of war between Austro-Hungarians and Serbs generated a domino effect in Europe that culminated in the entry of countries into the conflict and the formation of the Allied group, led by Britain, France and Russia, and the mainly coalition. by the Austro-Hungarian Empire, Germany and the Ottoman Empire.

But the US didn't care to get into this fight, no, since it involved a majority of European nations and was happening far from home. But it was difficult ... First, the Germans sank the British passenger ship RMS Lusitania in 1915, and there were 128 US citizens aboard that eventually perished, resulting in considerable tension between the US and Germany.

Fights

Then the US intercepted a message sent by the Germans (they again) to the Mexicans - to invite them to join the club and fight the Americans. In return, Germany promised to finance Mexico and help the country regain the territories of Arizona, New Mexico, and Texas. Then there was no way! The United States only joined the war in 1917, during the last year of the conflict, and it was not easy to convince the population of the need to participate in it.

(Rare Historical Photos)

One strategy, according to folks at Rare Historical Photos, was to create message-based campaigns focused on prompting the public to approve of US entry into World War I. To this end, a government commission was created that developed a series of posters and other propaganda materials that conveyed the idea that it was the duty of the American people to save Europe from Germany and other enemy forces.

The posters - some of them even created in languages ​​other than English - were then widely distributed across the country, and you can check out some of these posters below:

(Rare Historical Photos)

(Rare Historical Photos)

(Rare Historical Photos)

(Rare Historical Photos)

(Rare Historical Photos)

(Rare Historical Photos)

(Rare Historical Photos)

(Rare Historical Photos)

(Rare Historical Photos)

(Rare Historical Photos)

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