Answer:
People learned the scientific evidence for the theory of evolution.
Answer:
its c. Ferdinand and Isabella
Explanation:
The Muslims were unable to conquer Europe, but they continued to hold Spain for over 700 years until the Catholic monarchs Ferdinand and Isabella captured the last Muslim stronghold in 1492.
A primary source that could be used to learn about the American Civil war would be A. letters from soldiers to their families during the war. Primary sources are first hand sources from people that actually lived and wrote those letters.