What improvement most dramatically increased the speed and lowered the expense of commerce in the first half of the 19th century?

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.

Which nation most to bail out greece’s failing economy?

The internal combustion engine was an innovation of