How did this event eventually lead to u. s. involvement in world war i? (5 points) 1) the united states was allied with austria and had to act to defend it. 2) the secret u. s. alliance with various european countries required action. 3) the austrian royal victim was a beloved figure in the american media. 4) the alliances of austria included germany, which attacked u. s. interests.

3) The alliances of Austria included Germany, which attacked U.S. interests.

At the beginning of the world war I, in 1914, the U.S. declared their neutrality.

After that, in 1915, one of the German U-Boat attacked the Lusitania, a British liner with U.S. citizen aboard. The U.S. demanded that passengers ships would not be attacked by Germany, and the country complied. 

Then, in 1917, Germany invited Mexico to join the war against the United States, with the promise of the recovery of territories and money, but the supposed secret message got intercepted by the U.S., and so the United States declared war on Germany on April 6th, entiring the World War I. 

The first world war originated in Europe and was covered globally, it lasted from 1914 to 1918. It started with the assassination of an Austrian by Gavrilo.

The correct answer is:

Option 3. The Austrian royal victim was a beloved figure in the American media.

The explanation for this is:

In the beginning, The US did not show any interest and was neutral.In 1915, one of the German boats attacked a British liner consisting of Americans. America compelled Germany to not harm its citizens.In the year 1917 sent a secret message to Mexico asking them to join the attack on America which got intercepted by the USA and then America declared the war on Germany.

Therefore, the Austrian royal victim was a beloved figure in the American media which involved the US in World War 1.

To learn more about World War 1 follow the given link:

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