A polis controlled itself either by a king democracy
A colony did not it was ruled by another city
1. D. Inca settlements were difficult to find and reach because they were build at high altitudes on rough terrain.
Inca civilizations were well hidden and protected from outside influences due to their location high in the Andes Mountains of South America. It took the Spanish a while to find them, though diseases reached the outlying settlements even when the Spanish did not.
2. D. infectious diseases and drought
The Maya civilization experienced a lengthy and extreme drought that led to widespread starvation, which reduced their population and influence over the region long before Europeans arrived in Mesoamerica. The Inca and the Aztec populations were wiped out by the infectious diseases the Spanish conquistadores brought with them.
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Answer: The Tenth Amendment declares, "The powers not delegated to the United States by the Constitution, nor prohibited by it to the states, are reserved to the states respectively, or to the people." In other words, states have all powers not granted to the federal government by the Constitution.
Explanation: