Why was the Berlin wall built between East and West Berlin

Which would have been a push factor of immigration ?

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.

Supporters of the atomic bomb argued against the idea that the united states should not use the bomb against japan by