World History · Era— 1450 — 1750 —

When the world became one.

Atlantic exploration, the Columbian Exchange, the Atlantic slave trade, gunpowder empires (Ottoman, Safavid, Mughal, Russian, Ming/Qing). The first global economy — built on silver, sugar, and forced labor.

What you need to know

Around 1450, the Atlantic stopped being a barrier and became a system. Within a century, Spanish silver was funding Ming China and tobacco was shipping to the Ottomans. The Columbian Exchange — biological, cultural, economic — transformed every continent it touched. Europe’s gunpowder empires (Spain, Portugal, the Netherlands, England, France) competed for the Atlantic. Land empires of similar scale rose in Eurasia: the Ottomans, Safavids, Mughals, Romanovs, and Ming-then-Qing. The first global economy was built on silver, sugar, and forced labor — including the largest coerced migration in human history, the trans-Atlantic slave trade, which moved roughly 12.5 million Africans to the Americas.

Key developments (6)

The era, topic by topic.

  • 1.

    The Columbian Exchange

    Crops, animals, microbes, and people moving in both directions. Biology becomes destiny.
  • 2.

    The Trans-Atlantic Slave Trade

    About 12.5 million Africans forced to the Americas across four centuries.
  • 3.

    Atlantic maritime empires

    Iberia first, then the Netherlands, then Britain — sail, sugar, and silver.
  • 4.

    The gunpowder empires

    Ottoman, Safavid, Mughal — Eurasian land empires built on cannon and cavalry.
  • 5.

    Ming and Qing China

    The world’s economic center; the silver suction that pulled bullion from the Americas.
  • 6.

    The Scientific Revolution

    Copernicus to Newton — new methods that would reshape what knowledge meant.
The first global economy was built on silver, sugar, and forced labor. None of that was incidental.

Where this era shows up in your courses

APWH:Units 2–4 cover this period in depth.

APUSH:Period 1 and Period 2 cover the North American piece.