When grazing is bad, the tribes start to raid each other.

The second year, the tribe started paying her way, and she could devote a lot more time to studying.

Upon return to camp, the tribe started to explore their new surroundings.

And the tribes could really start going at each other.

A few tribes are starting to put money into the same mainstream media that once glorified their demise.

They've got more ways to lie to themselves and everybody else than anyone since tribes started to barter.

The tribe started to fight among themselves, to determine who would become the slave-owners.

In the 1970s, the tribe started efforts to reorganize politically.

But the tribe has not yet started anything new with the money.

And as this process proceeds, many tribes are starting to agree.