The use of more advanced tools made of stone, wood and bone was typical of which period of human history

Which amendment prohibits federal and state courts and federal administrative agencies from hearing cases in which a private party names a state as a defendant without the state's consent?

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.

Who believed that the best economic system was on in which businesses compete to gain profit with minimal or no government control