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)
The leaders who spread Islam after Muhammad's death were Abu Bakr, Umar, Uthman, and Ali. If you want the answer from a website, I suggest going here
--> http://peopleof.oureverydaylife.com/led-islamic-world-after-muhammad-died-7743.html <-- I hope this answer helps you.
The un-American activists committee was founded in 1938. It lasted until 1975.
