Communications: In 1900, there were not many technological devices that allowed for speedy communication. In 2000, there were emails,allowing for instantaenous sending of messages across the internet. Also, not everyone had a telephone, and the ones that existed were to where near as efficient as those that we have today.
Transportation:In 2000, there were planes. This allowed and still does allow for fast transportation of goods. In the year 1900, there were no planes, and goods were delivered much more slower than in the year 2000.
Government:In 1900, many rights and laws that were present in 2000 did not exist. It was from 1900 on that people started fighting for more rights. We had the suffragettes fighting for the right to vote,and thanks to that political fighting done in the early 1900's, they were able to achive their goals. During the 1900's the government of the United States underwent a progressive revolution, bringing on a lot of change on how things were done.
The answer is A.
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Enlightenment thinkers applied the scientific method to social problems
Is the part of the seven principle, that the authority of a state and its government is created and sustained by the consent of its people.
Germany lost World War I. In the 1919 Treaty of Versailles, the victorious powers (the United States, Great Britain, France, and other allied states) imposed punitive territorial, military, and economic provisions on defeated Germany. In the west, Germany returned Alsace-Lorraine to France.