While you didn't really provide the "following" as the comment above me states, in general, the advantage of secondary sources of primary ones is that they perhaps provide a more objective or even just a broader view on a certain topic. While a primary source of the American civil war would be a letter written by a soldier, a secondary source would be a book that describes more letters taken together and discusses possible information regarding them.
Answer: It sped up the manufacturing dramatically, It allowed factories to produce more products at a faster rate. It had also reduced the labor hours benefiting workers.
The answer to the given question above is the third option: FRAME OF GOVERNMENT. This is the document made by William Penn which influenced the US Constitution. Specifically, this is Pennsylvania's Frame of Government referring to the colony given <span>by Charles II of England to William Penn. This frame of government is considered historical as this became the basis of American development and democracy.</span>