University students were observed to pull harder on a rope when they thought they were pulling alone than when they thought three others were pulling with them on the same rope. This best illustrates:.
A) social loafing.
B) the chameleon effect.
C) group polarization.
D) social facilitation.

A) social loafing.

Explanation:

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.