Anthropologists classify tribes and nations into groups with strong similarities in culture and

Anthropologists classify tribes and nations into groups with strong similarities in culture and traits.

Explanation:

Anthropologist analyses the social groups, their origin, race, ethnicity, culture and traits. Social groups include tribal and other migrated families. These tribal group into a specific identical cluster on the basis of similarity in their cultures and traits. Traits include food habits, living style, livelihood pattern, dressing sense etc.

Some of the tribes used hunting or some use gathering as their source of livelihood. Some used to intake raw food and some half cooked condition. Their religious believed also differs from group to group like some tribal groups rely on worship of idol whereas some relies on worship of nature no idol.

i only have part a but here is the first one: - lewis and clark are born

- lewis marries sacajawea and clark is jealous  

- clark drowns lewis and then goes to jail