How did john d. rockefeller vertically integrate his monopoly in 1882?

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 specific events led richard nixon to resign the presidency

Which fundamental right is protected in this excerpt ?