To provide accurate information, I'd need to know which specific statements you are considering about the Mayan, Incan, and Aztec civilizations. However, I can offer a general overview of true statements regarding these civilizations:
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Mayan Civilization:
- The Mayans developed a complex writing system known as hieroglyphics.
- They built impressive cities, such as Tikal and Chichen Itza, with advanced architectural structures, including pyramids.
- The Mayans had a sophisticated understanding of astronomy and mathematics, including the concept of zero.
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Incan Civilization:
- The Incas created an extensive road system that connected their vast empire, which spanned along the Andes mountains.
- They are known for their architectural achievements, including the construction of Machu Picchu.
- The Inca economy was largely based on agriculture, and they implemented advanced agricultural techniques such as terracing.
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Aztec Civilization:
- The Aztecs are known for their capital city, Tenochtitlan, which was built on an island in Lake Texcoco.
- They practiced human sacrifice as part of their religious rituals, believing it was necessary to appease their gods.
- The Aztec economy relied heavily on agriculture, particularly the cultivation of maize (corn), and they also engaged in extensive trade.
If you provide specific statements, I can help determine which among them are true.