AP US Historymediummcq1 pt

Which factor was MOST decisive in the Spanish conquest of the Aztec and Inca empires?

A.Old World diseases
B.Superior Spanish weapons
C.The pope's blessing
D.Spanish numerical superiority

Explanation

Core Concept

Smallpox and measles, to which Natives lacked immunity, killed perhaps 90% of some populations — a demographic catastrophe that shattered resistance.

Correct Answer

AOld World diseases

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