Individuals from collectivistic societies tend to use unique personal achievements to define who they are. t or f

This sentence is false. The sentence says the opposite of what a collectivistic culture is.  Collectivistic cultures emphasize the needs and goals of the group over the needs and desires of separately individual. Relationships with other members of the group and the acquittances, how they behave with other people as well as how they treat them play a central role in each person's identity.

swahili is an extremely rich and complex civilization, a set of ethnic groups articulated by a language and a series of cultural elements that fuse the african traditions, islam and indian culture. this growth was largely a result of the indian ocean trading network that brought in not just man-made riches, but also religious ideas, specifically islam, which had a significant impact on the local culture. furthermore, the development of the swahili language gave a common cultural unity to the people.