Answer: the key of the map
Explanation: the key shows how many reps they have gained or lost over the years without the key we would be confused on how to read the map and what the question would be asking without the key
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A calendar displays dates and months in chronological order.
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Answer:
so I don't really know what you are asking, but native americans suffered alot after the eropeans came. they were forced to give up their land and we're siceptible to many different diseases. they were not happy to have eropeany tjere