Final answer:
While human civilization dates back approximately 10,000 years, with notable civilizations like China's recorded history beginning around 2000 BCE, the claim that some starting countries have only 2800 years of history is misleading as many have much longer and richer histories.
Step-by-step explanation:
The claim that some starting countries of the world have 2800 years of history is partially accurate but could benefit from clarification. Human civilization is indeed about 10,000 years old, with the development of early civilizations beginning between 10,000 and 8,000 BCE. The timeline provided shows significant periods within the early history of civilization spanning from 2649 BCE to 713 BCE, indicating that many of today's countries or regions have much longer histories than just 2800 years.
Including the history of regions such as Egypt, Mesopotamia, China, and India, ancient civilizations have histories that extend well beyond this timeframe. For instance, China's recorded history began around 2000 BCE, and with the basis of irrigated rice agriculture, its population grew significantly 2,000 years ago. Civilizations in these regions experienced radical lifestyle changes and advancements that influenced the world, such as the construction of the Grand Canal in China during the early imperial governments.
The development of civilizations, such as the Chinese empire emerging in 221 BCE that lasted over two thousand years, demonstrates the extensive and rich history many countries possess. Therefore, the history of civilizations predates the 2800-year mark substantially.