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Why did Robert de La Salle want to explore the Mississippi River?
A. He believed he would find the Seven Cities of Gold along the river.
B. He expected that it was the shortcut route to the East Indies.
C. He had heard about the wealth of the Aztec empire and wanted to conquer it.
D. He wanted to establish a French empire of trading posts, forts, and settlements.
D. He wanted to establish a French empire of trading posts, forts, and settlements.