Answer:
Colonization ruptured many ecosystems, bringing in new organisms while eliminating others. The Europeans brought many diseases with them that decimated Native American populations. Colonists and Native Americans alike looked to new plants as possible medicinal resources.
Explanation:
it wuz a gun he PULLED DA TRIGER
The arms race affected the future of the world because it was in the danger of a nuclear fallout and the us and Soviet union raced to make nuclear weapons which could destroy each of the nation and make the world fear of the two superpowers.