Answer:
Pearl Harbor brought the U.S. into WWII, which changed the reason of why we would fight in the war, and potentially changed the outcome of World War II. Before Pearl Harbor, the United States had declared to "remain a neutral nation" in the war by President Franklin D. Roosevelt.
Explanation:
The original computer similar to today's contemporary machineries
was the Analytical Engine, a device imagined and deliberated by British
mathematician Charles Babbage in the middle of 1833 and 1871. Charles
Babbage, deliberated as the "father of the computer". He is an English
polymath and mechanical engineer, invented the idea of a programmable computer.
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Answer:
Correct answer is C. Dividing China's history based on which dynasty ruled the country.
Explanation:
Option C is the only correct answer as we create periodization to divide history into quantified time blocks of time, with a goal to easily research what has happened in the past. Therefore dividing history of China according to the periods of reign of certain countries is one way of periodization.
Option A is not correct as this refers to the ways how someone measured time, not how he created periodization of certain periods and events.
Option B is not correct as this is description of historical events, not periodization of those events.
Last option is also not correct as it shows different accounts of certain historical events, not their periodization.
The ancestors of living Native Americans arrived in what is now the United States at least 15,000 years ago, possibly much earlier, from Asia via Beringia. A vast variety of peoples, societies and cultures subsequently developed.
