The american civil war beacause you cant just search only that up. You will get lots of answers beacuse more than one thing happened then.
When addressing this question, there are two things that every history teacher is happy to see. The sinking of the Lusitania by the Germans was a spark along with the Zimmerman Telegraph by the Germans in an attempt to spark issues between Mexico an de the United States, this is when the United States joined the war. The most important moralist of all was President Woodrow Wilson—the man who dominated decision making so totally that the war has been labelled, from an American perspective, "Wilson's War". In 1917 Wilson won the support of most of the moralists by proclaiming "a war to make the world safe for democracy.
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Brainliest is always appreciated :)
are there any answer choices
17th amendment..... this is correct just took it
Answer:
The Presidential $1 Coin Act required that the cent, beginning in 2010, "shall bear an image emblematic of President Lincoln's preservation of the United States of America as a single and united country".