<h1 id="south-american-civilisations">South American Civilisations<a aria-hidden="true" class="anchor-heading icon-link" href="#south-american-civilisations"></a></h1>
<p>How did humans arrive in the Americas?
'Out of Africa' theory:</p>
<ul>
<li>Experts believe thaht modern humans evolved in Africa and first left the continent around 200 000 years ago   </li>
<li>They arrived in South America between 40-15 000 years ago   </li>
<li>They journeyed on a landbridge between Asia and North America when the sea levels were much lower than now.</li>
</ul>

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