Context: In the following questions, you will learn about the Columbian Exchange. Historians use the term "Columbian Exchange" to describe the movement of diseases, animals, plants, people, and resources between the Americas and the rest of the world.
The map below shows different routes around the world. Look at the map. Then answer the question below.
Based on the definition of the "Columbian Exchange" above, which arrow could show a part of the Columbian Exchange?
A. 4
B. 1
C. 2
From the given choices, select the correct answer and reply with the letter of the chosen option.

C