One of the main reasons why primary sources are valuable to historians is because "<span>They give insight into the thoughts and feelings of a participant in history," since these are sources that originated during the time in question, and are "unaltered". </span>
Answer:
high populations
Explanation:
i think this is right because areas with higher populations have more elctoral college mmembers
The correct answer is D. Leonardo da Vinci
Da Vinci was the artists who made a lot of sketches of different things.