Which of the following is a result of the columbian exchange?
a. europeans and native americans exchanged scientific knowledge.
b. diseases killed much of the native population of the americans.
c. hores and cows were introduced to to europe.
d. native americans became predominately christian.

u.s.a

china

india

and

japan

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.