If anyone can help me fill this out it would be reallly helpful!!! Thank you!

Is the idea of containment relevant to american foreign and policy today why or why not

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.

Why are nation-states difficult to create?