The travel of Muslim traders through West Africa and Southeast Asia caused?

Draw conclusions  why might a cause like italian unification successfully draw people of very different backgrounds together?  

Clouds thar look like whisps of hair are

How did the cleveland massacre impact standard oil in 1872? standard oil hired all the laborers who were nearly killed during the cleveland massacre. standard oil became a monopoly in the cleveland oil market after the cleveland massacre. standard oil was bought out by other companies in the city after the cleveland massacre. standard oil closed down to avoid additional violence in the wake of the cleveland massacre.