How did aristotle add to plato's ideas of tyranny and democracy?

Select all that apply. the tang dynasty interacted with foreigners by: a letting them buy property in china. b accusing them of corruption and the downfall of the dynasty. c trading with them, especially japan and korea. d teaching them to become monks. e attacking them with military forces.

During the era of european expansion, what was the biggest reason for spain’s push for exploration?

Who did the first work in creating vaccines