Cortés began to March inland toward the City of Tenochititlan The capital city of the Aztec empire. He conquered some cities along The way and made alliances with others. Tlaxcalans became his closest allies. They hated Aztec because they had raided there cities for people to sacrifice to the gods
It was crossroad for People coming from Asia to Africa and they traded and sold their goods to Asians and also water and farms were valuable to traders for more details.
Leadership was a key factor in the creation of great civilization. Paca the Great was a leader that expanded Mayan power and initiated a building program that produced Mayan's finest architecture and Arts. Moctezuma's leadership played a role in building the last stage of the temple Ehecatl and he conquered some regions in Mexico. However, his leadership ended up being not so good for Aztecs when he helped Spaniards to conquer Mexico because he was convinced that Hernan Cortez was a god. Moctezuma was lapidated by his people.
“The political geography of this nation was a product of various treaties and acquisitions that eventually resulted in the country extending from the Atlantic to the Pacific Ocean.”
So the answer must be:
C.) The United States gained the area between the Atlantic Ocean and Appalachian Mountains from the original thirteen colonies in 1770.