The cold weather and winter
The answer to this question is tribes
Answer:
The Europeans brought with them diseases such as measles and smallpox against which the American tribes had no natural immunity. They spread like wildfire, killing rulers of both the Aztecs and Incas, along with millions of other people.
Spain succeeded in conquering<span> so </span>much of the Americas<span> because they used their religion as a main belief, the spread of European diseases weakened the Americas conquest, the Spanish soldiers and sailors had excellent skills and used advanced weapons. Hope this helps. Have a nice day.</span>
