Answer:
B, C, D.
Explanation:
I finished a long quiz and saw these were the correct answers. Hopefully these help!
Reformation ideas most likely produced so many Protestant sects in Europe because questioning by reformers inspired more reformers.
<span>The key ideas of the Reformation include:
1. A call to purify the church.
2. A belief that the Bible should be the sole source of spiritual authority.</span>