American Indian cultures was made up of several groups who spoke a common language?

I do not think so because there are many American-Indian tribes and cultures, but not all of them speak the same language.

For example, Navajo and Cherokee will not speak the same language, because they are from different areas.

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The answer is the Pueblo

Explanation:

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just need the points

explanation:

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: