The answer you are looking for is True.
B, because the others have story elements that frequently appear in historical fiction. Not to mention how the only choice that used the word “historical” is B
Because factories was the first time a establishment had been made that allowed people to labor inside, instead of outside in the unpredictable weather. This fact plus many others opened doors to modern day labor or work employment, which changed history.
Egypt's main contributions to mankind are in the field of mathematics, geometry, astronomy, and engineering as well, since the Egyptian constructive capacity was extremely advanced at the time.
The pyramids are a good example of this, which demonstrates all the geometric and mathematical knowledge of these people. Great Greek philosophers are believed to have acquired mathematical knowledge by learning from the Egyptians.
