Studio Aletheia · World Builders Academy
6.3.CXSC 6th Grade World Civilizations
Pizarro and the Fall of the Inca Empire
Lesson 4.10 · Civil War, Conquest, and Resistance in the Andes
Francisco Pizarro conquered an empire of millions with a few hundred soldiers, but he did not do it alone. A smallpox epidemic and a civil war over succession had already left the Inca Empire dangerously divided before he ever arrived.
Learning Targets and Success Criteria
Build the vocabulary and evidence needed to meet standard 6.3.CX.
What I will learn
- I can explain how disease and civil war weakened the Inca Empire before Pizarro's arrival.
- I can trace Pizarro's capture of Atahualpa and the fall of Cuzco.
- I can describe Manco Inca's resistance to Spanish rule after the initial conquest.
- I can explain how Pizarro's conquest compares to Cortés's conquest of the Aztec Empire.
What success looks like
- I explain how smallpox and a war of succession weakened the Inca Empire before 1532.
- I describe how Pizarro captured and later executed the Inca ruler Atahualpa.
- I explain how Manco Inca's 1536 siege of Cuzco demonstrated continued Indigenous resistance.
- My exit ticket compares at least one similarity between the fall of the Aztec and Inca Empires.
Contextualize the experience of indigenous peoples due to expansion and the conflict that arose from it.
Pulling twenty-five lessons into one argument.
These terms will be used throughout the mini-lesson, evidence lab, hands-on activity, journal, and exit challenge.
Francisco Pizarro
The Spanish conquistador who led the conquest of the Inca Empire beginning in 1532, capturing the Inca capital of Cuzco the following year.
Atahualpa
An Inca ruler captured by Pizarro in 1532 during a civil war over succession, and executed in 1533 despite offering a fortune in gold and silver for his release.
Manco Inca
An Inca leader who led roughly 100,000 Inca warriors in a 1536 siege of Cuzco, demonstrating that Indigenous resistance to Spanish rule continued after the initial conquest.
War of Succession
A conflict over who will inherit power after a ruler's death, in this case a civil war between rival heirs that fatally weakened the Inca Empire just before Pizarro's arrival.
Where this shows up in the real world.
History is not just something that happened. It is training for how you will read evidence, weigh sources, and make decisions in a career.
Studying Power Vacuums
Political scientists studying state collapse point to moments like the Inca war of succession as examples of how internal division can leave a society vulnerable to outside conquest.
Analyzing Asymmetric Conflict
Military historians analyze how a small, technologically advanced force like Pizarro's could defeat a much larger empire already weakened by disease and internal conflict.
An Empire Weakened Before the Spanish Arrived
By the time Pizarro reached Peru, the Inca Empire was already in crisis.
Like the Aztec Empire, the Inca Empire had reached the height of its power just as European diseases arrived to weaken it. Smallpox, spreading ahead of the Spanish themselves through Indigenous trade and contact networks, killed the Inca emperor Wayna Qhapaq in 1528, four years before Francisco Pizarro's small expedition reached Ecuador. Wayna Qhapaq's death triggered a civil war between rival heirs to the throne, leaving the empire deeply divided at the exact moment it needed unity most. Some Inca subjects, hoping to gain an advantage over rivals within the empire, were even eager to ally themselves with the newly arrived Spanish.
Pizarro took full advantage of this chaos. In 1532, he captured Atahualpa, one of the two rivals in the Inca civil war, and held him for ransom. According to accounts of the encounter, Atahualpa offered to fill an entire room with gold and two rooms with silver in exchange for his freedom, a ransom the Inca people gathered and delivered. Despite this, the Spanish executed Atahualpa in 1533. Pizarro then seized Cuzco, the Inca capital, ending organized Inca resistance for the moment and beginning Spain's rule over Peru, a region that, like Mexico, held rich silver deposits that would fund the Spanish Crown for generations.
The Inca did not passively accept Spanish rule. In 1536, a new Inca leader named Manco Inca led roughly 100,000 Inca warriors in a siege of Cuzco, attempting to drive the Spanish out entirely. Without gunpowder weapons of their own, the Inca forces could not defeat the Spanish, but the siege proved that conquest did not mean immediate or complete submission. The Spanish divided the former Inca Empire into four regions, each governed by a Spanish official, with Pizarro claiming the territory that is now Peru. The fall of both the Aztec and Inca Empires within little more than a decade of each other reveals a common pattern: disease, internal political division, and a small number of Spanish conquistadors working together to bring down civilizations of millions.
Adapted from Studio Aletheia's World Builders Academy curriculum library, drawing on classical world history resources on the Spanish conquest of the Inca Empire.
Materials for the primary source comparison.
- A. Primary source excerpts, provided
- B. Highlighters, 2 colors minimum
- C. Notebook or chart paper
- D. A pencil for annotating
- E. Your Evidence Log
Every session this unit: identify the evidence, cite where it came from, connect it to the day's vocabulary, write a one-paragraph explanation.
Compare Two Conquests
Practice comparing the fall of the Aztec Empire and the fall of the Inca Empire.
Build a Primary Source Comparison
Compare the fall of the Inca Empire with the fall of the Aztec Empire from Lesson 4.9.
Evidence Log: Entry 10
Accountability Checklist
Exit Challenge
In a short paragraph, explain how disease, civil war, and Spanish conquest combined to bring down the Inca Empire, and compare this to the fall of the Aztec Empire.
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