<p>The last 1.1 billion years made North America what it is today.  Being whacked over and over will change you.</p>

The last 1.1 billion years made North America what it is today. Being whacked over and over will change you.

<p>The last 1.1 billion years made North America what it is today. &nbsp;Being whacked over and over will change you.</p>

1.3 North America

In this podcast, we tell the history of America without wasting your time on the parts you already know.

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