Answer:
They traveled on foot from upper Alaska
Explanation:
Some 13,000 years ago, small bands of Stone Age hunters walked across a land bridge between eastern Siberia and western Alaska, eventually making their way down an ice-free inland corridor
<span> The </span>Preamble<span> helped explain why the </span>Constitution<span> was </span>written<span>.</span>
the two non balkan nations austria and hungary