Answer:
Examples include interview transcripts, statistical data, and works of art. A primary source gives you direct access to the subject of your research. Secondary sources provide second-hand information and commentary from other researchers. Examples include journal articles, reviews, and academic books
Explanation:
Materials that are NOT primary sources include: Books written after a historical event by someone who was not involved in the event. Books are considered Secondary Sources. ... Statistics compiled about a historical event (for example, a tally of the number of dead in a battle)
Answer:
developed complex mathematical and calendar systems.
Explanation:
Proven answer from test answer book :D
Their weapons were much more advanced ex. guns, rather than the natives had bows and arrows.
The two events that spurred the need to chart new maritime routes are the following : Europeans developed the economic system of mercantilism and needed reserves of gold and silver ; and Europe witnessed a period that historians refer to as a "dark age."