How did europe change because of the columbian exchange?

The Colombian exchange is a term used to describe the global redistribution of plants, animals and diseases that resulted from the first contacts between Europeans and Native Americans.

Explanation:

The impact in Europe was immense because the new distribution of food plants meant an advance in the variety of food sources and consequently an important population growth: avocados, potatoes, squash, pineapples, corn, beans, cocoa, tobacco and exotic fruits are currently fundamental in food, as well as emphasizes the importance of animals like turkey

Unfortunately, it is important to highlight the exchange of diseases and in Europe they received syphilis, hepatitis, polio and tubercolosis from America.

answer; i believe the above statement is (true);

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.