But the strict rules of tribal culture have hampered the process.

A lot of these worlds have a tribal culture or large families locked in a struggle for power.

Much as you find human sacrifice common in tribal cultures but seldom later.

Besides, district is known for its rich tribal culture.

Two dealers in works from tribal cultures make a robust showing.

Also endangered are some of the world's most ancient tribal cultures.

Only time will tell if democracy can gain hold in this ancient tribal culture.

Yet in the tribal culture, such people are treated with affectionate amusement.

The town is a blend of tribal culture and the Christian influence.

B uses the examples of tribal cultures as the basis for this new society.