How are the powers of the legislative branch held in check

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.

Kennedy singles out one group of countries that the united states will defend against any attacker what countries are they

Which physical subsystem includes the air we breathe