How do command or socialist economies benefit their citizens?

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.

If you lived in greece in about 300b.c. you had a good chance of witnessing which of the following? select all that apply

Which physical feature minimizes population density in northern africa?