There were a few good reasons as to why the US left their promise of neutrality to enter WW1. One reason was the Lusitania, which was a passenger cruise ship full of American citizens coming from Great Britain. It was sunk by the German U-boats, who thought that the boat contained British passengers.
Another reason for the entry into WW1 was Germany's unrestricted submarine warfare. After many warnings from the US not to test their submarines in certain regions, the Germans didn't care about that.
Last and most important reason would be the Zimmerman Note. Arthur Zimmerman, the German Prime Minister at the time, sent a telegraph to Mexico. The message was Germany attempting to form an alliance with Mexico to aid Germany in neutralizing the US in WW1. As a reward, Germany would give Mexico back Texas and any other land they lost to the US. Fortunately, Britain intercepted the telegraph. It never reached Mexico, but instead reached the front desk of the White House, in President Woodrow Wilson's hands. This was the last straw for him and he declared the US's entry into WW1
True; Seizing on what Jefferson later called "a fugitive occurrence," Monroe and Livingston immediately entered into negotiations and on April 30 reached an agreement that exceeded their authority — the purchase of the Louisiana territory, including New Orleans, for $15 million.
Answer:
Ellis Island is a museum and former immigration inspection station in New York Harbor, within the states of New York and New Jersey. It was the gateway for over 12 million immigrants to the United States as the nation's busiest immigrant inspection station from 1892 until 1954.
In a closed primary election only those from the same party may vote in the primary. Democrats can only vote in the democratic primary while Republicans vote in their primary. In a open primary anyone can vote in the primary of either party without concern of which political party they are registered as.
13. Option #1
14. Option #2
15. Option #2
16. Option #4