Answer:
C
Explanation:
It was mainly a machinery issue and communication has no impact on how something is built
Aztec enemies allied with spanish
It’s either Foreign Threats or Economic Problems I’m not 100% sure I’m sorry
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.