The American System promised to help our industries obtain raw materials. I believe this is the correct answer. I was born and raised in the South and still live in the same place in Kentucky. so I loved this question.
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.
by gaining a ton of land and exploiting the people on that land you get resources, right? and those resources are the ability to use that new land's ports, military, resources (goods and services), and culture. I hope this helped!