Final answer:
The seven ancient civilizations in order of their importance and their contributions to humanity are: Ancient Mesopotamia, Ancient Egypt, Indus Valley Civilization, Ancient China, Ancient Greece, Ancient Rome, and Ancient Inca.
Step-by-step explanation:
The seven ancient civilizations in order of their importance are:
- Ancient Mesopotamia: Contributions include the invention of writing (cuneiform), development of complex societies with extensive trade routes, and advancements in mathematics and astronomy.
- Ancient Egypt: Contributions include the construction of monumental structures (pyramids), advancements in medicine and engineering, and development of a complex religious and social system.
- Indus Valley Civilization: Contributions include urban planning and sanitation systems, and advancements in agriculture and handicrafts.
- Ancient China: Contributions include the invention of paper, development of Confucianism and Taoism, and advancements in technology and agriculture.
- Ancient Greece: Contributions include the development of democracy, advancements in philosophy and literature, and achievements in art and architecture.
- Ancient Rome: Contributions include the establishment of a vast empire, development of a republican government, and advancements in engineering and law.
- Ancient Inca: Contributions include the construction of an extensive road network, advancements in agriculture and irrigation, and development of a centralized government.