how did the Columbian exchange change the relationship between the eastern and westerner hemispheres?

Crops from the Eastern Hemisphere, such as grapes, onions, and wheat, also thrived in the Western Hemisphere. The Columbian Exchange benefited Europe, too. Many American crops became part of the European diet.  By mixing the products of two hemispheres, the Columbian Exchange brought the world closer together.

answer; /// i do believe that the correct answer is (d) majority vote as an approval requirement;

it gave them more rights