B - Some communities closed their schools rather than to integrate.
While some in the the south did not want to integrate their schools, some communities refused (but not most) and they figured out plans to delay integration, transfer students to different schools and close others.
Answer:
<em>Involuntary</em>
Explanation:
The Little ice age made the Baltic Sea freeze over, maybe it was climate change and we still don't know why it happened in the first place.The Little nice age started in Europe 1300 AD and then expanded it lasted until about 1850 AD.