Why did Mansa Musa bring so many powerful people with him on his trip?

This description of the "firm league of friendship" of states is a quotation from the

Martha participates in a research study in order to receive extra credit for her psychology class. when she arrives in the research office she is given a can of what looks and tastes like beer, but which actually contains no alcohol. in the adjoining room martha's classmate karen is also participating in the study. karen receives a can of alcoholic beer. if the experiment was designed to test the effects of alcohol on concentration, then who is exposed to the independent variable?

The state fire marshal ensures a program can legally operate in a specific location and has sound structure?