The breeding program dovetails with two others the tribe has developed to help young people.

The tribe has developed plans for both cultural revival and economic sustainability.

Their surroundings were very rich in natural resources, and the tribes developed different specialties.

Originally each little isolated tribe must have developed and maintained its own special infections.

In addition, it provided direct grants to help tribes develop plans for assuming responsibility.

The tribe has also developed extensive recreational areas, and is proceeding with plans for the museum.

Other theorists argue that tribes developed after, and must be understood in terms of their relationship to, states.

Fried argued that secondary tribes develop in one of two ways.

Even into the twenty-first century, a few isolated tribes had barely developed stone tools.

The two tribes developed a strong friendship as they roamed and hunted their new land together.