In this episode of Full AP Course Review, we dive into Unit 4 Part A of AP World History Modern, exploring how technological breakthroughs from 1450 to 1750 made transoceanic travel, empire-building, and global exchange possible. You'll see how borrowed innovations like the lateen sail, magnetic compass, and gunpowder weapons gave Europeans decisive advantages at sea and on land while the printing press accelerated the spread of ideas across continents.