For the Spanish, the first concrete evidence of a great southern empire wasn't raw gold, but a raft carrying manufactured goods like golden tweezers and mirrors. These items demonstrated a level of craftsmanship and social organization that signaled a truly advanced civilization, far more than simple resources could.

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The Inca Empire operated with features of a modern totalitarian state. It had no private property, markets, or money. Citizens were subject to forced labor drafts, wore state-mandated clothing, and owed absolute obedience to the emperor, creating a repressive society that bred resentment among its conquered peoples.

The Spanish didn't defeat the Inca Empire at its height. They arrived after a smallpox epidemic killed the emperor and a subsequent brutal civil war between his sons shattered the empire. This left the civilization politically fractured and militarily exhausted, making it ripe for conquest by a small force.

History demonstrates that dominance over seemingly mundane but critical resources is a foundational element of national power. The Roman Empire's control of salt and 19th-century America's pursuit of guano (bird fertilizer) laid the groundwork for their military and economic dominance.

Thriving civilizations first become masters of imitation, openly absorbing ideas and technologies from other cultures through trade and migration. This diverse pool of borrowed 'ingredients' becomes the foundation for true innovation, which is the novel combination of existing concepts.

The mechanically superior clock was ignored for 200 years while the rudimentary hourglass thrived. This was because society valued approximate time, not precision. A technology's potential remains invisible and unharnessed until a culture's value system shifts to appreciate what that technology offers.

Conquistador expeditions were entrepreneurial ventures, not state campaigns. Leaders like Pizarro formed partnerships, raised private funds, and invested in high-risk "island hopping" operations hoping for massive returns. This model privatized both the risk of failure and the rewards of success, mirroring modern venture capital.

Despite building a massive, highly organized empire, the Incas had no written language. This means nearly everything known about their history and culture was recorded by the Spanish after the conquest. Their entire legacy is therefore filtered through the lens of their destroyers, creating a fundamentally biased historical record.

Francisco Pizarro's invasion of Peru was heavily influenced by the recent success of his cousin, Hernán Cortés, in Mexico. The fall of the Aztecs provided a tangible model for conquest, proving that small bands of conquistadors could topple vast empires. This precedent made it easier for Pizarro to secure funding and royal support.

Unlike peers seeking wealth, the illiterate Francisco Pizarro was driven by a thirst for glory. This personal ambition, rather than simple greed, fueled his relentless expeditions at an age when most conquistadors had retired, demonstrating that non-material motivations can drive extreme risk-taking.

The Inca civilization developed in extreme isolation, protected by the Andes, the Amazon, and the Pacific. This allowed for the growth of a unique society. However, this same isolation proved fatal, as it meant they had no immunity to Old World diseases like smallpox and no conceptual framework for dealing with outsiders.