How were a nomadic people able to conquer more advanced civilizations?

Which of the following scenarios illustrates the cultural impact of expanded regional trade for postclassical civilizations? o a. the byzantine empire rises in place of the roman empire. o b. an islamic scholar attends a university in his hometown. o c. internal disputes weaken a large african empire. o d. an arabian sultan wears a robe made from chinese silk.

What was the effect of the industrial revolution on the working class ?

Why did marx believe all workers would unite? communism