Which of the following explorers is correctly matched with his area of exploration?
a. cortés—conquered the aztec empire in mexico
b. pizarro—explored the isthmus of panama and was the first european to see the pacific ocean
c. díaz—conquered the mayan city-states in the yucatán peninsula
d. balboa—rounded the cape of good hope in africa

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answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation:

in 1859, brown and 21 of his followers attacked and occupied the federal arsenal in harper's ferry. their goal was to capture supplies and use them to arm a slave rebellion. brown was captured during the raid and later hanged, but not before becoming an anti-slavery icon. abolitionist and insurrectionist

explanation:

false the first governing document in the us history was the articles of federation