The completion of the first transcontinental railroad in 1869 encouraged settlement of the American west by proving easier travel and it took less time.
It seems that you have missed the necessary options to answer this question, but anyway, here is the answer. As the result of a conflict between British troops and a colonial militia in Massachusetts, the Boston Tea Party took place. The "Boston Massacre" occurred, in which British troops fired on colonists. Hope this helps.
<u>Original Question: </u><u><em>How did advances in electricity affect the city in the late 19th and early 20th centuries?</em></u>
<u>Answer: Choice (D)</u> or <u>All of the Above</u>
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<em>Reason: Electricity powered a lot of things like streetcars and elevators which were modern inventions that helped better people's lives. However, such things required people to maintain them, and thus opened up new job opportunities</em>
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Hope that helped!
Time zones so the answer is a
