He said officials from the two tribes would meet within the next several days.

Maybe they are both from the same tribe or something.

The five have come from the 13th tribe and they will know where Earth is.

Why have you not taken a woman from our tribe?

Like a present from the tribes, now that I'm one of them.

Even the officers were from the tribes, after so long in the field.

What seems clear, however, is that they came from several north African tribes.

He seemed most interested in those from our tribe, though.

Instead, each team is a mix of members from two tribes.

At the least sign of resistance from the local tribes, they've moved on.