Correct Answer:
Option A. Influenza
During 1918 - 1919, an influenza epidemic killed about more than 20 million people. This epidemic killed more people than were killed due to the World War 1 and is said to be the most devastating epidemic of the history. Among the US troops which were deployed in Europe, more than half of deaths were a result of influenza rather than the killings done by enemy.
<span>A tsar was removed from the people and was rarely seen.
The tsar of the early 1900s was an absolute monarch with much control and answered little to the people. Though there were attempts at reform and the creation of a representative body called the Duma, the Tsar, especially Nicholas II, was known to shut it down or event attempted to remove it. Nicholas II would be the last tsar of Russia being forced to abdicate, step down, his throne in 1917. </span>
The answer is
A. By leading settlers across the Appalachians.
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<span>The Erie Canal allwed for the American Midwest to transport their good via waterway to the port in New York City and then out to the world for consumption via trade. The Erie Canal was the largest civic project the United States built up to that point in time and made settling the midwest much more economical.</span>
The Congress of Vienna was considered a success because it was the first time in history that on a continental scale national representatives came together to formulate treaties, instead of relying mostly on messages from the several capitals. The Congress of Vienna was a conference headed by the monarchs of Austria and it was to provide a long-term peace plan for the superpowers of Europe and to have stability in Europe.