What type of political structure did the Paleo have? (North America)

The Sahara desert.

Explanation: The option that does not qualify as an island is the Sahara desert, it does not have the basic characteristics of an island. Continents are also generally surrounded by water bodies but they don't fall within the category of an island as they are too large to be called an Island.

The Sahara desert is about 3.5million square miles it is too large to be considered as an island.