Soviet leader who ordered the west to recognize the sovereignty of communist east germany and remove all troops from west berlin

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.

The spanish class system placed people in the top class primarily based upon how much american blood a person had. how much spanish blood a person had. where a person worked. whom a person married.

Who did the first work in creating vaccines