The lightbulb affected peoples lives most because people were able to stay up past sundown, and work longer hours.
- A primary source is a historical record created by an individual who existed in the ancient eras.
- The historical investigation that had the broadest spatial frame was the discovery of trade routes between Asian and European nations.
<h3>What is an investigation?</h3>
An investigation is a process of critically examining and identifying something related to any subject matter.
- The sources formed by the ancient historians or individuals in their respective eras are defined as primary sources. They can be manuscripts, artistic creations, books, novels, etc.
- The identification of trade routes through the silk road among the nations of Europe and Asia was one of the investigations of history having the largest frames.
Therefore, the record created by past individuals is the primary source, and the trade routes between Europe and Asia were the longest investigation.
Learn more about the primary sources in the related link:
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Answer:
This place has its own significance as at this place the first battle of American Civil War took place.
Explanation:
This place provide protection to the United States from Charleston Harbor in South Carolina as in 1860, the situation in the south was made worse by Lincoln’s election.
When South Carolina left the Union, the US Army remained in the fort, although they evacuated other forts in the area. President Abraham Lincoln, who took office in March, was not ready to allow the fort to be captured.
On April 12, 1861, the Confederate Artillery opened fire on the fort, and after a long bombardment, the garrison surrendered inside it. Thus began the civil war.
I think that they will have a more futuristic touch and if you have seen the movie After Earth something like that
