Help would give 20 points

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.

All native american time were united against their struggle with the european settlers true or false

What kind of relationship did the soviet union have with the united states in 1945