Simple. The Columbian Exchange exchanged diseased, people, plants, food, and animals. The Americas adapted with new plants and animals like cattle, chicken, etc., and more slaves. Europe gained potatoes, tomatoes, corn, squash, punpkin, etc.
New societies could depend on new sources of food, new animals. That also improved their local economy, and knowledge (learning)
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.
In many ways, the encomienda system resembled a feudal system: The Spanish monarchy granted conquistadors, soldiers, and other officials control over a specific number of Indians, and later Africans, as well as the lands on which those Indians lived.
<span>Zoroastrianism was very influential because of
its noble characteristics as it was the first religion to developed the concept
of messiah (first messiah was Zoroaster who claimed that he spoke to God), existence
of Heaven, Hell, Judgment day, resurrection, eternal soul, coming Savior and
angels. Zoroastrian teaching state that humans are fundamentally good, equal
and free willed to make their own decision. Those will be accepted as
fundament of Christianity, Islam and Judaism</span>