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AP History · Key terms hub

APUSH & World History Key Terms — the master hub

AP history exams reward precise vocabulary you can actually use in a sentence. This hub indexes the highest-yield APUSH and AP World History key terms, each with a one-line definition, a quick example, and a link to a fuller guide.

Updated June 2026APUSH + AP World

How to use this hub

Skim the grouped terms below to find the ones you do not yet know cold. Each definition is written the way a reader wants it on an exam: short, concrete, and usable in a sentence.

When a term is fuzzy, click through to its guide for examples, the periods it belongs to, and the traps that cost students points.

Contact & colonization

The terms that anchor early APUSH and the 1450 to 1750 era in AP World.

Columbian Exchange
The transfer of crops, animals, people, and diseases between the Americas and Afro-Eurasia after 1492.
Mercantilism
An economic system in which colonies exist to enrich the mother country through a favorable balance of trade.
Encomienda
A Spanish labor system granting colonists the right to demand forced Native labor and tribute.
Salutary neglect
Britain’s loose enforcement of trade laws on the colonies before the 1760s, which let self-government grow.

Expansion across the continent

The vocabulary of the nineteenth century and the road to the Civil War.

Manifest Destiny
The belief that the United States was destined to expand across the North American continent.
Sectionalism
Loyalty to a region over the nation, sharpened by disputes over the spread of slavery.
Popular sovereignty
Letting the residents of a territory vote on whether to permit slavery.

Atlantic & global ties

Terms that connect American history to the wider Atlantic and global story.

Triangular trade
The Atlantic trade network linking Europe, Africa, and the Americas in three legs.
Counter-Reformation
The Catholic Church’s response to the Protestant Reformation, which shaped colonization.
Middle Passage
The brutal forced voyage of enslaved Africans across the Atlantic.

How AP history tests vocabulary

Multiple-choice questions hang a stimulus, such as a quote or map, on a term and ask you to recognize the concept it shows. Knowing a flashcard definition is not enough; you have to spot the term in the wild.

On the short-answer, document-based, and long-essay questions, you earn points by using the term correctly inside an argument. Practice writing one tight sentence that names the term and ties it to a specific event.

Frequently asked questions

Quick answers, written by humans.

How many key terms do I need for APUSH?

A few hundred high-yield terms cover most of the multiple-choice questions. Learn those first with a one-sentence example each, then pick up the rest in context as you review periods.

Do APUSH and AP World share vocabulary?

Some, yes. Terms like the Columbian Exchange, mercantilism, and triangular trade appear in both courses, just framed at different scales. This hub flags which course each term belongs to.

What is the fastest way to memorize history terms?

Spaced repetition with an example, not a bare definition. A card that says mercantilism on one side and a Navigation Acts example on the other transfers to the exam far better than a textbook sentence.

Term guides

Open a term.

Related

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