In a unitary government, the lines of responsibility are clear. is this an advantage or disadvantage during an event of nature?

The north gained control of the northern part of the mississippi river once grant captured the city a. memphis b.vicksburg c. chattanooga

Which of these was an accomplishment of the han dynasty? the invention of the seismograph finding a water passage to europe the invention of the ballpoint pen the invention of the abacus

Which act of the conquistador pizarro was crucial in overthrowing the inca? a. the destruction of the ancient inca city, machu picchu b. the siege of the inca capital near the cuzco valley c. the execution of the last inca ruler, atahualpa d. the unexpected deaths of 3 million inca warriors e. the murder of former inca emperor, huascar