The answer is
B. Gypsum Hills
Answer:
Sea of Darkness
Explanation:
Before the discovery of America by Christopher Columbus, many of the early sailors call the Atlantic ocean s sea of darkness. European called the mysterious sea to have monsters and the fear, scared sailors who did not want to cross the Ocean. This myth was broken by Columbus when he decided to take a new sea route from the East to find India.
For PLATO:
Maya: Created hieroglyphic writing system
Developed the accurate calendar systems
Constructed Chichen Itza
Aztec: Built Tenochtitlan
Sustained 20mil population
Grew floating gardens
Under federalism, It would be both state and federal government that has concurrent powers. These are powers in nations with a federal system of government that are shared by both the federal government and each constituent political unit. Hope this answers the question.