Climatic condition was the major factor for migrating to new places.
Trueeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
<span>Kings at the time usually didn't have heirs to the throne, because of this by killing the king you bring confusion to the country. No one knows what to do and everyone wants to be the new leader. So the king dying was a great chance for Alexander to take over Persia.</span>
The federal government did not have enough power causing the states to be chaotic due to how much power they had under the Articles of Confederation.
The answer is: The final battle in the American Indian Wars
The Battle of Wounded Knee also known as the <em>Wounded Knee massacre </em>was the massacre of hundreds of Sioux tribe members including woman and children which forced the Tribe to surrender and put an end to the war between the army and native Americans.