What is the best title for this map?

Question

A map of South America, Africa, and parts of North America and Asia between the years seventeen hundred and eighteen hundred and seventy. The states, cities, and regions that are labeled are Danish Caribbean, North America, South America, Pacific Ocean, Atlantic Ocean, Africa, Sahara, Ethiopia, Mogadishu, Angola, Zanzibar, Mozambique, Oman, India, and the Indian Ocean. Arrows spread from different regions in Africa into other parts. Some of the arrows are labeled, British North America, Spanish America, British Caribbean, French Caribbean, Dutch Caribbean, and Portuguese Brazil.
A
Gold and Spice Trade Routes

B
Sources and Destinations of Enslaved Africans

C
Obstacles to Colonization of the Western Hemisphere

D
Portuguese Trade Exploration Routes

Thanks!

Answer 1

I'll be glad to check YOUR answer.

Answer 2

I hesitate to guess, not liking my answer.

Answer 3

I thought it was A. but idk

Answer 4

It's not A.

Answer 5

I think it is B