Can someone me with some questions?

hernan cortez was a spanish conquistador responsible for seizing the aztec empire in the 16th century.

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false

the rivers of the lowlands were important to the maya for the transportation of people and materials.

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false

the great wall of china worked as a defense for the feudal states of the zhou dynasty to the north. during the warring states period more walls were put up to defend the borders of the different kingdoms. it was semi successful because despite the wall, the mongols eventually conquered china also the great wall provided protection to the economic development and cultural progress, safeguarded the trading routes such as the silk road, and secured transmission of information and transportation. @jayxboof

continental currency was denominated in dollars from $​1⁄6 to $80, including many odd denominations in between.