The correct answer is code name for secret research and development program to build an atomic bomb during WWII
The Manhattan Project was a research and development undertaken during World War II that was successful in producing a weapon of mass destruction.
The transatlantic slave trade was really a triangle. Here's a map to show the approximate routes. The trade was brought about to benefit the economy of Caribbean nations and Europe. The slaves were forced into awful conditions; cramped boats and harsh climates with which to toil away picking cotton or whatnot.
It’s B, because that’s the theme of the story
Henry the Navigator - He is credited as the pioneer of the Age of Discoveries. He administratively led to the set up of these studies to enhance Portugal's maritime trade and exploration in other continents.