Lack of cooperation with more advanced civilizations.
Answer:
c.they worked closely with the a
abbot design and build a church.
The answer is F because Barack Obama was the first black president of the United States
There have been many government actions meant to help unify the nation, but the greatest was done when the Articles of Confederation were replaced by the Constitution, since this action put into place a much stronger-central government and "united" the states.
The answer among these options that describes a primary cause of the Neolithic Revolution is C) the extinction of animals that people hunted.