Plz help its due today,

Me i really need 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

Question 6 of 27 1 point which of the following best describes the three-fifths compromise at the constitutional convention? o a. no more than three-fifths of a state's population could include slaves. o b. three-fifths of a state's slaves had to be released within 20 years. oc. slaves would be counted as three-fifths of a person when determining representation in congress. od. three-fifths of a state's population had to vote for slavery if a territory was to enter the union as a slave state. g

Which of the following statements about slavery is not accurate? a. slavery in the americas was no different than slavery in ancient greece or rome. b. beginning in the 1600s, slaves began to be viewed as property, rather than people. c. slavery did not originate in the americas. d. slavery was very important to the economy of the american colonies.