The economic theory of Mercantilism convinced people that they needed expand and explore for the wealth and glory of their own country. For example, when Britain brought colonies to America.
Spain and Portugal had most control over South America, while Britain and France controlled mainly North America.
Slaves were traded from Africa to the Americas and Europe for mostly Rum and Iron Products.
The Triangle Trade was between 3 main continents, Europe, The Americas and Africa. Africa mostly sold slaves to the other countries, while they usually traded natural products and machinery like guns.
The Middle Passage was the route that was used during the Triangle Trade Route between Europe, America, and Africa.
The economy definitely prospered with global exchange because goods transported from different places brought people new things that could satisfy and benefit the economy.