Which term refers to the 11th century power struggle between pope gregory vii and king henry iv regarding the appointments of church officials?
a. the investiture controversy
b. the devine right of kings
c. the battle of hastings
d. the second crusade

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.

What conclusion about the role of the media can be drawn from these headlines?

How important was the erie canal in in connect, unify and expand the nation