Ice caps over Antarctica are on average 7 000 feet thick, or around 1 mile, so 1 miles is the correct answer, and the thickest are about 2 miles thick- so that's also a correct answer. 
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Answer:
Indirect Characterization 
Explanation:
The Author isn't directly describing the character. Rather, They are showing her character through her actions.
 
        
                    
             
        
        
        
There was a series of laws and amendments passed to give them their rights, and example would be:
The right to vote
The destruction of man being enslaved do to color of skin
Etc.
But of course this stuff kept going until the late 1800`s, but finally died down