Answer:
<em><u>In my opion the right answer is Nullification Crisis </u></em>
<em>If</em><em> </em><em>u</em><em> </em><em>think</em><em> </em><em>the</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>right</em><em> </em><em>then</em><em> </em><em>only</em><em> </em><em>write</em><em> </em><em>it</em><em> </em><em>otherwise</em><em> </em><em>wait</em><em> </em><em>for</em><em> </em><em>others</em><em> </em><em>answer</em>
As regards social structure the Aztecs and the Incas changed their structure from kinship (tribe system) to a social hierarchy (nobles). Moreover,
They had local leaders who were accepted as equals if they pay the corresponding tribute.
Both were ruled by Emperors and so they were divided into rich and poor social class.
It can cause a collapse a in the economy, which will lead to rise of goods and also poverty amongst the people.
<span>uniform rights for citizens</span>