Will mark brainiest of. you tell me the right answer

Who gave one of the earliest accounts of the topography and tribes of the great plains?

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.

Oque provoca coroço no peito do homen?