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Ineed on 2-4 i want y’all to reply to this question so i can turn this into my teacher tomorrow

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.

Describe the relations between the united states and other countries under the articles of confederation. 3-4 sentences