<span>These difficulties eventually resulted in the development of a transcontinental railroad. All the inventions and developments in the world are meant to make people's lives easier and comfortable, and this event is not an exception. In order to blur terrotorial boundaries the First Transcontinental Railroad was introduced to the US. It connected the eastern nad western parts of America.</span>
The main way in which aristocracy differs from an oligarchy is that the former is a social class of people, while the latter refers to when a state is ruled by a small elite.
With the regards to the statement that if not for Americans participating in WWI, Prohibition would not happen, this statement is <u>false</u>.
<h3>Why is this statement false?</h3>
The movement to enact prohibition was already growing strongly before the First World War broke out.
In fact, before the U.S. joined the war, those in support of Prohibition had majorities in the two houses of Congress. WWI was merely an event that sped up the rate of prohibition and without it, Prohibition would have still happened at a later stage.
Find out more on Prohibition at brainly.com/question/3814594.
Answer:1)the United Nations 2)Yalta Conference 3)Roosevelt,Churchill,and Stalin
