Final answer:
The achievements of the Olmec, Maya, Chavin, and Inca civilizations in the Americas were similar to the civilizations in Africa in terms of systems of writing, astronomy, pyramid building, and religious practices.
Step-by-step explanation:
The achievements of the Olmec, Maya, Chavin, and Inca civilizations in the Americas were similar to the civilizations in Africa in several ways. Firstly, both regions developed sophisticated systems of writing and had an advanced understanding of astronomy. Secondly, both regions engaged in massive building works such as pyramid building. Lastly, both regions practiced human sacrifice and had deities dedicated to natural forces. These similarities demonstrate the strong cultural connections and shared cultural trademarks across different civilizations in both regions.