Final answer:
The major achievements of civilizations in Asia and the Americas include impressive architecture, road networks, calendar development, and art.
Step-by-step explanation:
The major achievements of the civilizations in Asia and the Americas varied, but some notable accomplishments include:
- The Aztecs were skilled architects and built impressive structures like the Templo Mayor in Tenochtitlán.
- The Inca Empire developed a vast network of roads and bridges.
- The Maya civilization made significant contributions in mathematics, astronomy, and the development of the calendar.
- The Olmec civilization produced intricate and monumental stone sculptures.
- The North American Native cultures had diverse achievements, such as advanced agriculture techniques and sophisticated pottery making.
Out of these achievements, one that had the biggest significance in world history is the development of the calendar by the Maya civilization. Their highly accurate calendar system allowed for precise tracking of time and celestial events, influencing future civilizations' understanding of time and shaping their cultural practices.